Chapter 7 - Alcohols, Phenols and Ethers

Beginner

Topper

1. Introduction - Alcohol Phenol Ether - What is OH?

Look around you. Sanitizer bottle has ethanol R-OH, Dettol has chloroxylenol phenol type C6H5-OH, starter motor uses ether R-O-R as starting fluid. All have oxygen.

Alcohol R-OH OH attached to sp3 carbon alkyl group. Example ethanol CH3CH2OH you see in sanitizer 70% wine beer. Glycerol trihydric 3 OH CH2OH-CHOH-CH2OH used in soap moisturizer sweet thick liquid.

Phenol C6H5-OH OH directly attached to benzene ring aromatic. Carbolic acid phenol antiseptic used in hospitals. Phenol is acidic not like alcohol neutral because phenoxide resonance stable.

Ether R-O-R oxygen between two alkyl groups no OH. Example dimethyl ether CH3-O-CH3 gas, diethyl ether CH3CH2-O-CH2CH3 old anesthesia sweet smell now lab solvent.

Classification primary 1 degree carbon with OH bonded to one other carbon CH3CH2OH ethanol primary, secondary CH3CH(OH)CH3 isopropanol rubbing alcohol secondary, tertiary (CH3)3COH tert-butanol 3 carbons.

Alcohol R-OH OH on sp3 alkyl ethanol CH3CH2OH sanitizer wine primary secondary tertiary 1 2 3 other C attached to C with OH | Phenol C6H5-OH OH direct on benzene ring aromatic carbolic acid antiseptic acidic resonance | Ether R-O-R O between two alkyl no OH dimethyl ether CH3OCH3 diethyl ether CH3CH2OCH2CH3 anesthesia solvent | Glycerol trihydric 3 OH soap moisturizer

Visual Learning Method: Sanitizer ethanol R-OH, Dettol phenol C6H5-OH, ether R-O-R diethyl ether, primary ethanol secondary isopropanol tertiary tert-butanol, monohydric dihydric trihydric glycerol, kids Wow!

Daily Analogy: OH group like cap. Alcohol cap on simple chain, phenol cap directly on benzene ring crown like king crown special acidic, ether oxygen bridge connecting two chains no cap like bridge between two islands.

Introduction - Alcohol Phenol Ether

Revision Points - Easy:

Alcohol R-OH OH on alkyl carbon ethanol sanitizer wine.
Phenol C6H5-OH OH direct on benzene ring carbolic acid antiseptic acidic.
Ether R-O-R O between two alkyl no OH diethyl ether anesthesia solvent.
Primary secondary tertiary based on carbon with OH attached to 1 2 3 other carbons.
Glycerol trihydric 3 OH soap moisturizer.

2. Nomenclature & Structure - Naming and H-bonding

Naming IUPAC alcohol suffix -ol CH3OH methanol CH3CH2OH ethanol CH3CH(OH)CH3 propan-2-ol isopropanol rubbing alcohol. Diol ethylene glycol HOCH2CH2OH antifreeze car radiator coolant. Phenol benzenol common phenol, cresol methyl phenol CH3C6H4OH antiseptic. Ether common dialkyl ether diethyl ether CH3CH2OCH2CH3 ethoxyethane IUPAC methoxy methane CH3OCH3.

Structure oxygen sp3 tetrahedral 109.5 but C-O-H angle ~105 due to lone pairs smaller. Phenol C-O bond shorter due to resonance partial double character.

H-bonding: alcohol and phenol form H-bonds O-H with another O-H hydrogen bonding like holding hands strong intermolecular forces so boiling point higher than similar alkanes and ethers. Example ethanol boiling 78 C vs diethyl ether 35 C similar mass but alcohol higher due to H-bonding. Solubility water lower as chain increases methanol ethanol fully soluble H-bond with water but butanol partially, hexanol almost insoluble non-polar chain dominates.

IUPAC alcohol -ol methanol ethanol propan-2-ol isopropanol diol ethylene glycol HOCH2CH2OH antifreeze phenol benzenol cresol methyl phenol ether ethoxyethane methoxy methane | Structure sp3 tetrahedral C-O-H ~105 phenol C-O shorter resonance | H-bonding alcohol phenol H-bond boiling higher than alkanes ethers ethanol 78 ether 35 similar mass | Solubility methanol ethanol fully soluble water H-bond butanol partial hexanol almost insoluble non-polar dominates

Visual Learning Method: IUPAC methanol ethanol propan-2-ol ethylene glycol antifreeze cresol, ether ethoxyethane, structure C-O-H 105 resonance short, H-bonding hands holding ethanol higher boiling 78 vs ether 35, solubility methanol soluble hexanol insoluble.

Daily Analogy: H-bonding like friends holding hands alcohol molecules hold hands together harder to separate need more heat higher boiling. Ether no hands no H-bond easy to boil low boiling 35. Water solubility like mixing friends same language H-bond same.

Nomenclature & Structure - H-bonding

Revision Points - Easy:

Alcohol suffix -ol methanol ethanol propan-2-ol isopropanol ethylene glycol antifreeze.
Phenol benzenol cresol methyl phenol, ether ethoxyethane methoxy methane.
H-bonding alcohol phenol hold hands higher boiling than alkanes ethers ethanol 78 ether 35.
Methanol ethanol fully soluble water H-bond butanol partial hexanol insoluble chain non-polar dominates.

3. Preparation of Alcohols - How to Make Sanitizer Spirit?

From alkenes: acid catalyzed hydration alkene + H2O H2SO4 -> alcohol Markovnikov more substituted OH. Example propene CH3CH=CH2 + H2O H+ -> CH3CH(OH)CH3 isopropanol secondary. Hydroboration oxidation BH3 THF anti-Markovnikov less substituted OH CH3CH2CH2OH n-propanol primary.

From haloalkanes: R-X + aqueous NaOH KOH -> R-OH + NaX substitution OH replaces X good for primary. Example CH3CH2Br + NaOH -> CH3CH2OH ethanol.

From carbonyl: aldehyde ketone reduction LiAlH4 NaBH4 gives alcohol formaldehyde HCHO + reducing agent -> CH3OH primary methanol, aldehyde RCHO -> RCH2OH primary, ketone R2CO -> R2CHOH secondary. H2 Ni also reduces.

From Grignard: RMgX + carbonyl dry ether: formaldehyde HCHO gives primary alcohol, aldehyde RCHO gives secondary, ketone R2CO gives tertiary. Most versatile method to make any alcohol. Example CH3MgBr + HCHO -> CH3CH2OH ethanol, CH3MgBr + CH3CHO acetaldehyde -> CH3CH(OH)CH3 isopropanol secondary, CH3MgBr + (CH3)2CO acetone -> (CH3)3COH tert-butanol tertiary.

Daily: fermentation sugar + yeast -> ethanol + CO2 bubbles wine beer, distillation purifies ethanol absolute alcohol 99%.

Alkenes hydration H2O H2SO4 Markovnikov propene -> isopropanol CH3CH(OH)CH3 secondary Hydroboration BH3 anti-Markovnikov n-propanol CH3CH2CH2OH primary | Haloalkanes R-X+aq NaOH R-OH NaX primary good CH3CH2Br->CH3CH2OH | Carbonyl reduction LiAlH4 NaBH4 HCHO->CH3OH primary RCHO->RCH2OH primary R2CO->R2CHOH secondary H2 Ni also | Grignard RMgX+carbonyl dry ether versatile HCHO primary RCHO secondary R2CO tertiary CH3MgBr+HCHO ethanol CH3MgBr+CH3CHO isopropanol secondary CH3MgBr+(CH3)2CO tert-butanol tertiary | Fermentation sugar+yeast ethanol+CO2 bubbles wine beer distillation absolute 99%

Visual Learning Method: Alkene hydration Markovnikov isopropanol, hydroboration n-propanol, haloalkane hydrolysis NaOH ethanol, carbonyl reduction LiAlH4 formaldehyde methanol aldehyde primary ketone secondary, Grignard formaldehyde primary aldehyde secondary ketone tertiary map, fermentation sugar yeast ethanol CO2 bubbles wine beer distillation.

Daily Analogy: Making alcohol like cooking different recipes: hydration adds water to double bond, hydrolysis replaces halogen with OH like replacement, reduction adds hydrogen to carbonyl, Grignard builds bigger alcohol from small carbonyl like building house adding floors formaldehyde ground floor primary aldehyde first floor secondary ketone second floor tertiary.

Preparation of Alcohols

Revision Points - Easy:

Alkenes + H2O H2SO4 Markovnikov more substituted OH isopropanol, hydroboration anti-Markovnikov n-propanol.
Haloalkanes + aq NaOH -> alcohol primary good CH3CH2Br -> ethanol.
Carbonyl reduction LiAlH4 NaBH4 HCHO->CH3OH primary aldehyde primary ketone secondary.
Grignard RMgX + carbonyl versatile HCHO primary RCHO secondary R2CO tertiary.
Fermentation sugar + yeast -> ethanol + CO2 wine beer distillation absolute 99%.

4. Properties of Alcohols - Lucas Test Oxidation Dehydration

Imagine three friends primary secondary tertiary drinking test Lucas reagent ZnCl2 + conc HCl distinguishes speed of cloudiness due to carbocation stability.

Lucas test: ROH + ZnCl2 conc HCl -> RCl + H2O turbidity white ppt. Tertiary immediate turbidity within seconds (CH3)3COH fast stable carbocation, secondary 5-10 minutes, primary no turbidity at room temp very slow. So distinguishes 1 2 3.

Oxidation: primary RCH2OH with PCC pyridinium chlorochromate mild oxidizer gives aldehyde RCHO, with Jones CrO3 H2SO4 strong gives carboxylic acid RCOOH. Secondary R2CHOH oxidation gives ketone R2CO both PCC and Jones same ketone. Tertiary R3COH no alpha H no oxidation resistant does not oxidize.

Dehydration: alcohol + conc H2SO4 170 C heat -> alkene + H2O removes H and OH from adjacent carbons Saytzeff more substituted alkene major. Primary needs higher temp 170 C, secondary 100 C, tertiary 80 C easier due to stable carbocation. Example ethanol CH3CH2OH conc H2SO4 170 -> CH2=CH2 ethene + H2O.

Daily: sanitizer ethanol 70% kills germs, isopropanol rubbing alcohol cleaning wounds, glycerol moisturizer soap, ethylene glycol antifreeze car radiator lowers freezing point.

Lucas test ZnCl2 conc HCl ROH->RCl turbidity white ppt tertiary immediate seconds stable carbocation secondary 5-10 min primary no turbidity room temp slow distinguishes 1 2 3 | Oxidation primary RCH2OH PCC aldehyde RCHO Jones CrO3 H2SO4 acid RCOOH secondary R2CHOH ketone R2CO both PCC Jones tertiary R3COH no alpha H no oxidation | Dehydration conc H2SO4 170 heat alkene+H2O Saytzeff more substituted alkene major primary 170 secondary 100 tertiary 80 easier stable carbocation ethanol->ethene CH2=CH2 | Daily sanitizer ethanol 70% isopropanol rubbing cleaning glycerol moisturizer soap ethylene glycol antifreeze car radiator lowers freezing

Visual Learning Method: Lucas test three tubes tertiary immediate turbidity secondary 5-10 min primary no turbidity, oxidation primary aldehyde acid secondary ketone tertiary no oxidation, dehydration ethanol to ethene Saytzeff, sanitizer ethanol, isopropanol rubbing, glycerol moisturizer, ethylene glycol antifreeze.

Daily Analogy: Lucas test like three friends running race tertiary fastest carbocation stable wins immediate turbidity. Oxidation like burning: primary can burn twice aldehyde then acid, secondary once ketone then stops, tertiary no fuel alpha H no burn.

Properties of Alcohols - Lucas Oxidation

Revision Points - Easy:

Lucas ZnCl2 conc HCl tertiary immediate turbidity secondary 5-10 min primary no turbidity distinguishes.
Primary RCH2OH PCC aldehyde Jones acid, secondary ketone, tertiary no oxidation no alpha H.
Dehydration conc H2SO4 heat alkene + H2O Saytzeff more substituted major primary 170 secondary 100 tertiary 80 easier.
Daily sanitizer ethanol 70% isopropanol rubbing cleaning glycerol soap moisturizer ethylene glycol antifreeze.

5. Phenols - Preparation and Properties - Acidic Nature

Phenol preparation cumene process industrial: benzene + propene H+ -> cumene isopropyl benzene then O2 air oxidation -> cumene hydroperoxide then acid H2SO4 gives phenol C6H5OH + acetone CH3COCH3 both useful. Also from chlorobenzene C6H5Cl + NaOH 350 C high pressure -> phenol + NaCl Dow process. From benzene diazonium C6H5N2+Cl- + H2O warm -> phenol + N2.

Acidic: phenol acidic stronger than alcohol weaker than carboxylic acid because phenoxide C6H5O- resonance stabilized 5 structures negative on ring delocalized. Electron withdrawing groups NO2 at o p increase acidity nitro phenol more acidic, electron donating CH3 OCH3 decrease acidity cresol less acidic. Phenol reacts with NaOH gives sodium phenoxide C6H5ONa + H2O but not with NaHCO3 weaker base so distinguishes from carboxylic acid which gives CO2 with NaHCO3.

Electrophilic substitution: OH group activating ortho para directing resonance donation activates ring strongly o p positions electron rich. Bromination: phenol + Br2 water room temp gives white precipitate 2,4,6-tribromophenol three Br at o o p all positions due to strong activation, but with Br2 CS2 low temp gives o and p bromophenol monobromo. Nitration: phenol + dilute HNO3 low temp gives o and p nitrophenol, conc HNO3 gives picric acid 2,4,6-trinitrophenol yellow explosive. Kolbe reaction phenol + CO2 NaOH high pressure -> salicylic acid o-hydroxybenzoic acid aspirin precursor. Reimer-Tiemann phenol + CHCl3 NaOH -> salicylaldehyde o-hydroxybenzaldehyde + p isomer.

Daily: Dettol contains chloroxylenol phenol derivative antiseptic, picric acid explosive yellow, salicylic acid acne treatment aspirin precursor.

Prep cumene process benzene+propene H+ cumene isopropyl benzene O2 oxidation cumene hydroperoxide acid H2SO4 phenol+acetone both useful | Chlorobenzene+NaOH 350 high P Dow phenol+NaCl | Diazonium C6H5N2+Cl-+H2O warm phenol+N2 | Acidic phenol stronger than alcohol weaker than carboxylic phenoxide resonance 5 structures delocalized | EW NO2 o p increase acidity ED CH3 OCH3 decrease cresol less acidic | Phenol+NaOH phenoxide C6H5ONa+H2O not with NaHCO3 no CO2 distinguishes carboxylic gives CO2 | Electrophilic OH activating o p directing resonance donation activates strongly | Bromination Br2 water white ppt 2,4,6-tribromophenol three Br o o p strong activation Br2 CS2 low temp o p bromophenol mono | Nitration dilute HNO3 low temp o p nitrophenol conc HNO3 picric acid 2,4,6-trinitrophenol yellow explosive | Kolbe CO2 NaOH high P salicylic acid o-hydroxybenzoic acid aspirin precursor Reimer-Tiemann CHCl3 NaOH salicylaldehyde o-hydroxybenzaldehyde+ p | Daily Dettol chloroxylenol phenol antiseptic picric explosive yellow salicylic acne aspirin

Visual Learning Method: Cumene process benzene propene cumene O2 hydroperoxide phenol acetone, chlorobenzene NaOH Dow, diazonium warm phenol N2, acidic resonance phenoxide 5 structures, EW NO2 acidity up ED CH3 down, NaOH phenoxide not NaHCO3 distinguishes acid, electrophilic o p directing OH activating, Br2 water tribromophenol white ppt vs Br2 CS2 monobromo, nitration o p nitrophenol picric trinitro yellow explosive, Kolbe CO2 salicylic acid aspirin, Reimer-Tiemann CHCl3 salicylaldehyde, Dettol antiseptic.

Daily Analogy: Phenol acidic like person who can donate H+ easily because after donating becomes resonance stable like after giving away burden feels relieved 5 houses resonance. OH activating like generous person donates electrons to ring makes o p positions rich attracts electrophiles. Bromination water gives three friends all o o p positions join party strong activation.

Phenols - Preparation Properties

Revision Points - Easy:

Prep cumene benzene+propene->cumene O2 hydroperoxide acid phenol+acetone both useful industrial.
Chlorobenzene NaOH 350 high P Dow phenol, diazonium H2O warm phenol N2.
Acidic stronger than alcohol weaker than carboxylic phenoxide resonance 5 structures stable EW NO2 increases acidity ED CH3 decreases.
Phenol+NaOH phenoxide but not NaHCO3 no CO2 distinguishes carboxylic gives CO2.
OH activating o p directing strong activation Br2 water tribromophenol white ppt 2,4,6 three Br Br2 CS2 mono o p bromophenol.
Nitration dilute o p nitrophenol conc picric acid 2,4,6-trinitrophenol yellow explosive.
Kolbe CO2 NaOH salicylic acid aspirin precursor Reimer-Tiemann CHCl3 salicylaldehyde o-hydroxybenzaldehyde.
Daily Dettol chloroxylenol antiseptic phenol derivative.

6. Ethers - Williamson and Cleavage - Bridge Between

Ether preparation Williamson synthesis best method: R-X + R'-ONa alkoxide -> R-O-R' + NaX. Alkoxide from alcohol + Na metal ROH+Na->RONa+H2. Example CH3CH2ONa + CH3Br -> CH3CH2OCH3 ethyl methyl ether + NaBr. For symmetrical ether same R both. Limitation tertiary alkyl halide gives elimination alkene not ether due to steric.

From alkenes: acid catalyzed hydration of alkenes with alcohol addition? Actually alkoxymercuration? Simple: ROH + alkene acid -> ether? Better dehydration of alcohols: 2ROH conc H2SO4 140 C -> R-O-R + H2O primary alcohols give ether ethanol 140 C gives diethyl ether CH3CH2OCH2CH3 + H2O.

Properties: ethers low boiling 35 C diethyl ether vs ethanol 78 no H-bonding cannot hold hands. Slightly soluble water due to O can H-bond with water but not with itself. Peroxide formation dangerous old ether exposed to air light forms explosive peroxides ROOR need to test with KI starch.

Cleavage: R-O-R + HI excess heat -> 2RI + H2O if both alkyl same. If mixed R-O-R' + HI -> RI + R'OH smaller alkyl iodide formed due to SN1 SN2 mechanism. Example CH3OCH2CH3 + HI -> CH3I + CH3CH2OH methanol? Actually CH3I + ethanol because I- attacks smaller less hindered SN2.

Daily: diethyl ether old anesthesia sweet smell now lab solvent, anisole C6H5OCH3 perfume flavoring, MTBE methyl tert-butyl ether fuel additive oxygenate.

Williamson R-X+R'-ONa R-O-R'+NaX alkoxide ROH+Na RONa+H2 example CH3CH2ONa+CH3Br CH3CH2OCH3+NaBr tertiary RX gives elimination alkene not ether | Dehydration 2ROH conc H2SO4 140 C R-O-R+H2O primary ethanol 140 diethyl ether CH3CH2OCH2CH3+H2O | Properties low boiling 35 diethyl vs ethanol 78 no H-bonding slightly soluble water O H-bond with water peroxides dangerous old ether air light explosive ROOR test KI starch | Cleavage R-O-R+HI excess heat 2RI+H2O mixed R-O-R'+HI RI+R'OH smaller alkyl iodide SN2 I- attacks smaller less hindered CH3OCH2CH3+HI CH3I+CH3CH2OH | Daily diethyl ether anesthesia old lab solvent anisole C6H5OCH3 perfume MTBE fuel additive oxygenate

Visual Learning Method: Williamson RX+RONa ether, dehydration 2 ethanol 140 C diethyl ether + H2O, boiling 35 vs 78 no H-bonding, peroxides explosive KI starch test, cleavage HI 2RI mixed smaller alkyl iodide CH3I + ethanol, diethyl ether anesthesia, anisole perfume, MTBE fuel additive.

Daily Analogy: Ether bridge between two islands alkyl groups. Williamson builds bridge by connecting alkoxide island with halide island via NaX brick leaving. Cleavage HI cuts bridge two islands separate iodide goes to smaller island easier to reach less hindered.

Ethers - Williamson Cleavage

Revision Points - Easy:

Williamson RX + RONa -> R-O-R' + NaX best method alkoxide from ROH+Na tertiary RX gives alkene elimination not ether.
Dehydration 2ROH conc H2SO4 140 C ether + H2O ethanol 140 diethyl ether.
Low boiling 35 diethyl ether vs ethanol 78 no H-bonding slightly soluble water peroxides explosive dangerous old ether air light test KI starch.
Cleavage HI excess 2RI + H2O mixed smaller alkyl iodide formed SN2 I- attacks smaller less hindered CH3OCH2CH3+HI CH3I+ethanol.
Daily diethyl ether old anesthesia lab solvent anisole perfume MTBE fuel additive.

7. Commercial Alcohols - Methanol Ethanol Everyday Spirit

Methanol CH3OH wood spirit poisonous highly toxic small amount 10 mL causes blindness optic nerve damage 30 mL death metabolized to formaldehyde formic acid. Preparation CO + H2 syngas Cu ZnO catalyst high pressure -> CH3OH industrial. Used as solvent fuel racing cars, denaturing ethanol.

Ethanol CH3CH2OH drinking alcohol but pure drinking controlled. Preparation fermentation: sugar C6H12O6 glucose + yeast zymase enzyme -> 2CH3CH2OH + 2CO2 bubbles. Molasses sugarcane waste used. Fermentation gives 8-12% ethanol wine beer low concentration, distillation increases to 95% rectified spirit azeotrope 95.6% ethanol 4.4% water constant boiling cannot separate fully, further molecular sieves gives absolute alcohol 99% pure ethanol. Denatured alcohol ethanol + small methanol + pyridine + blue dye bitter makes undrinkable for industrial cleaning sanitizer avoids excise tax.

Ethylene glycol HOCH2CH2OH dihydric antifreeze coolant car radiator lowers freezing point to -35 C sweet taste but extremely toxic keep away children pets causes kidney failure. Glycerol trihydric CH2OHCHOHCH2OH thick sweet liquid byproduct soap saponification fats + NaOH -> soap + glycerol moisturizer cosmetics keeps moisture humectant.

Daily: sanitizer 70% ethanol + glycerol + H2O2 WHO formula kills germs, wine beer fermentation, antifreeze car coolant ethylene glycol, soap glycerol moisturizer, mouthwash contains ethanol.

Methanol CH3OH wood spirit poisonous 10 mL blindness optic nerve 30 mL death formaldehyde formic acid CO+H2 syngas Cu ZnO high P ->CH3OH solvent fuel racing denaturing | Ethanol CH3CH2OH fermentation sugar C6H12O6 yeast zymase 2 ethanol+2CO2 bubbles molasses 8-12% wine beer distillation 95% rectified spirit azeotrope 95.6 ethanol 4.4 water constant boiling molecular sieves absolute 99% denatured ethanol+methanol+pyridine+blue dye bitter undrinkable industrial cleaning sanitizer avoids tax | Ethylene glycol HOCH2CH2OH dihydric antifreeze coolant lowers freezing -35 sweet taste extremely toxic kidney failure keep away children pets | Glycerol trihydric CH2OHCHOHCH2OH thick sweet soap byproduct saponification fats+NaOH soap+glycerol moisturizer cosmetics humectant keeps moisture | Daily sanitizer 70% ethanol glycerol H2O2 WHO kills germs wine beer fermentation antifreeze car coolant soap glycerol moisturizer mouthwash ethanol

Visual Learning Method: Methanol wood spirit skull poisonous blindness CO+H2 syngas, ethanol fermentation sugar yeast bubbles CO2 wine beer distillation 95% rectified azeotrope absolute 99% denatured blue dye bitter, ethylene glycol antifreeze coolant -35 sweet toxic skull, glycerol soap moisturizer saponification fats NaOH soap+glycerol, sanitizer 70% ethanol.

Daily Analogy: Methanol like look-alike poison twin of ethanol looks same but deadly blindness. Ethanol fermentation like yeast eating sugar burps CO2 bubbles makes alcohol wine beer like bread rising yeast same. Ethylene glycol sweet poison like candy toxic antifreeze. Glycerol like honey thick sweet keeps skin moist soap byproduct.

Commercial Alcohols - Methanol Ethanol

Revision Points - Easy:

Methanol CH3OH wood spirit poisonous 10 mL blindness 30 mL death CO+H2 syngas Cu ZnO high P solvent fuel denaturing.
Ethanol fermentation sugar yeast zymase 2 ethanol+2CO2 bubbles molasses 8-12% wine beer distillation 95% rectified azeotrope 95.6% constant boiling absolute 99% molecular sieves denatured ethanol+methanol+pyridine+blue dye bitter undrinkable industrial sanitizer.
Ethylene glycol dihydric antifreeze coolant lowers freezing -35 sweet extremely toxic kidney failure keep away children pets.
Glycerol trihydric thick sweet soap byproduct saponification fats+NaOH soap+glycerol moisturizer cosmetics humectant keeps moisture.
Daily sanitizer 70% ethanol glycerol H2O2 WHO kills germs wine beer fermentation antifreeze car coolant soap moisturizer mouthwash ethanol.

8. Everyday Uses and Final Revision

Look in your house: bathroom sanitizer ethanol 70% you used during Covid kills germs, Dettol contains chloroxylenol phenol derivative antiseptic, mouthwash contains ethanol and thymol phenol derivative kills bacteria, perfume contains ethanol and anisole ether fragrance, kitchen vanilla essence contains vanillin phenol derivative, car coolant antifreeze ethylene glycol, soap glycerol moisturizer, lab solvent ether diethyl ether, fuel additive MTBE methyl tert-butyl ether oxygenate improves octane.

Medical: phenol antiseptic carbolic acid Joseph Lister surgery, ether diethyl ether old general anesthesia sweet smell now safer alternatives, ethanol antidote for methanol poisoning competes metabolism, glycerol suppository laxative, salicylic acid acne treatment from Kolbe phenol.

Industrial: ethanol fuel biofuel, methanol industrial solvent fuel, phenol used to make bakelite phenol formaldehyde resin electrical switches, aspirin from salicylic acid phenol derivative.

House bathroom sanitizer ethanol 70% Covid kills germs Dettol chloroxylenol phenol antiseptic mouthwash ethanol thymol phenol perfume ethanol anisole ether fragrance vanilla vanillin phenol derivative car coolant antifreeze ethylene glycol soap glycerol moisturizer lab solvent ether diethyl ether fuel additive MTBE oxygenate octane | Medical phenol carbolic acid Lister surgery ether anesthesia old ethanol antidote methanol poisoning glycerol suppository laxative salicylic acid acne Kolbe phenol | Industrial ethanol biofuel methanol solvent fuel phenol bakelite phenol formaldehyde resin switches aspirin salicylic acid phenol derivative

Visual Learning Method: House items sanitizer ethanol, Dettol phenol antiseptic, mouthwash ethanol thymol, perfume anisole ether, vanilla phenol, car coolant ethylene glycol antifreeze, soap glycerol, ether lab solvent, MTBE fuel additive, medical phenol Lister surgery ether anesthesia, bakelite switches, aspirin salicylic acid.

Daily Analogy: Alcohols phenols ethers like family with same oxygen mother different fathers alkyl phenyl. Ethanol friendly helpful sanitizer, methanol evil twin poisonous, ethylene glycol sweet poison antifreeze, phenol strict cleaner antiseptic, ether slippery volatile anesthesia bridge.

Everyday Uses - Final Revision

Revision Points - Easy:

Bathroom sanitizer ethanol 70% kills germs Covid, Dettol chloroxylenol phenol antiseptic.
Mouthwash ethanol thymol phenol, perfume anisole ether fragrance vanilla phenol derivative.
Car coolant antifreeze ethylene glycol soap glycerol moisturizer lab solvent ether diethyl ether fuel additive MTBE oxygenate.
Medical phenol carbolic acid surgery Lister, ether anesthesia old, ethanol antidote methanol poisoning, glycerol laxative, salicylic acid acne aspirin.
Industrial ethanol biofuel methanol solvent phenol bakelite resin switches aspirin from phenol.

Gold Reference Table - All Formulas + Daily Life Visual

Concept	Formula / Easy Fact	Daily Life Visual / Uses
Classification	Alcohol R-OH OH on sp3 alkyl Phenol C6H5-OH OH direct on benzene Ether R-O-R O between two alkyl no OH	Sanitizer ethanol Dettol phenol ether anesthesia bridge
Primary secondary tertiary	Primary C with OH bonded to 1 other C Secondary 2 Tertiary 3	1 parent 2 parents 3 joint family branching
Monohydric dihydric trihydric	Monohydric 1 OH ethanol Dihydric 2 OH ethylene glycol HOCH2CH2OH antifreeze Trihydric 3 OH glycerol CH2OHCHOHCH2OH soap moisturizer	Glycerol thick sweet soap
IUPAC	-ol methanol ethanol propan-2-ol isopropanol ethylene glycol HOCH2CH2OH dihydric cresol methyl phenol ether ethoxyethane methoxy methane	Methanol ethanol rubbing alcohol isopropanol antifreeze ethylene glycol
Structure H-bonding	sp3 tetrahedral C-O-H ~105 phenol C-O shorter resonance \| H-bonding alcohol phenol hold hands boiling higher than alkanes ethers ethanol 78 ether 35 \| Solubility methanol ethanol fully soluble water H-bond butanol partial hexanol insoluble non-polar dominates	Holding hands higher boiling ethanol 78 ether 35 friends holding hands
Preparation alkenes	Hydration H2O H2SO4 Markovnikov more substituted OH propene->isopropanol CH3CH(OH)CH3 secondary Hydroboration BH3 anti-Markovnikov n-propanol CH3CH2CH2OH primary	Markovnikov more substituted OH
Preparation haloalkanes	R-X+aq NaOH R-OH+NaX primary good CH3CH2Br->ethanol	Replacement X with OH
Preparation carbonyl reduction	LiAlH4 NaBH4 HCHO->CH3OH primary RCHO->RCH2OH primary R2CO->R2CHOH secondary H2 Ni also	Adding H to carbonyl
Preparation Grignard	RMgX+carbonyl dry ether versatile HCHO primary RCHO secondary R2CO tertiary CH3MgBr+HCHO ethanol CH3MgBr+CH3CHO isopropanol secondary CH3MgBr+(CH3)2CO tert-butanol tertiary	Building house floors formaldehyde ground primary aldehyde first secondary ketone second tertiary most versatile
Fermentation	Sugar C6H12O6 yeast zymase 2 ethanol+2CO2 bubbles molasses 8-12% wine beer distillation 95% rectified azeotrope 95.6 ethanol 4.4 water constant boiling absolute 99% molecular sieves denatured ethanol+methanol+pyridine+blue dye bitter undrinkable industrial	Yeast eating sugar burps CO2 wine beer bubbles
Lucas test	ZnCl2 conc HCl ROH->RCl turbidity white ppt tertiary immediate seconds stable carbocation secondary 5-10 min primary no turbidity room temp distinguishes 1 2 3	Race tertiary fastest immediate turbidity
Oxidation	Primary RCH2OH PCC aldehyde RCHO Jones acid RCOOH Secondary R2CHOH ketone R2CO both PCC Jones Tertiary R3COH no alpha H no oxidation	Primary burn twice aldehyde then acid secondary once ketone tertiary no fuel no burn
Dehydration	Conc H2SO4 170 heat alkene+H2O Saytzeff more substituted alkene major primary 170 secondary 100 tertiary 80 easier stable carbocation ethanol->ethene CH2=CH2	Remove H OH neighbours bridge alkene more neighbours stable major
Phenol prep cumene	Benzene+propene H+ cumene isopropyl benzene O2 oxidation cumene hydroperoxide acid H2SO4 phenol+acetone both useful industrial	Cumene process both useful phenol acetone
Phenol prep other	Chlorobenzene+NaOH 350 high P Dow phenol+NaCl Diazonium C6H5N2+Cl-+H2O warm phenol+N2	Dow high pressure diazonium N2 bubbles
Acidic phenol	Stronger than alcohol weaker than carboxylic phenoxide resonance 5 structures delocalized EW NO2 o p increase acidity ED CH3 OCH3 decrease cresol less acidic Phenol+NaOH phenoxide C6H5ONa+H2O not NaHCO3 no CO2 distinguishes carboxylic CO2	Donating H+ becomes resonance stable 5 houses EW increases acidity
Electrophilic phenol	OH activating o p directing resonance donation activates strongly Br2 water white ppt 2,4,6-tribromophenol three Br o o p strong activation Br2 CS2 low temp o p bromophenol mono Nitration dilute o p nitrophenol conc picric 2,4,6-trinitrophenol yellow explosive Kolbe CO2 NaOH high P salicylic acid o-hydroxybenzoic acid aspirin precursor Reimer-Tiemann CHCl3 NaOH salicylaldehyde o-hydroxybenzaldehyde + p	Generous OH donates electrons o p rich Br2 water three friends party strong activation Kolbe aspirin Reimer aldehyde
Ether Williamson	R-X+R'-ONa R-O-R'+NaX alkoxide ROH+Na RONa+H2 CH3CH2ONa+CH3Br CH3CH2OCH3+NaBr tertiary RX gives elimination alkene not ether	Building bridge alkoxide + halide brick
Ether dehydration	2ROH conc H2SO4 140 C R-O-R+H2O primary ethanol 140 diethyl ether CH3CH2OCH2CH3+H2O	2 ethanol 140 ether
Ether properties	Low boiling 35 diethyl vs ethanol 78 no H-bonding slightly soluble water O H-bond with water peroxides dangerous old ether air light explosive ROOR test KI starch Cleavage R-O-R+HI excess 2RI+H2O mixed R-O-R'+HI RI+R'OH smaller alkyl iodide SN2 I- attacks smaller less hindered CH3OCH2CH3+HI CH3I+ethanol	Low boiling no hands holding peroxide explosive test KI starch bridge cut smaller island iodide
Methanol	CH3OH wood spirit poisonous 10 mL blindness optic nerve 30 mL death formaldehyde formic acid CO+H2 syngas Cu ZnO high P solvent fuel racing denaturing	Poisonous twin blindness skull
Ethanol	CH3CH2OH fermentation sugar yeast zymase 2 ethanol+2CO2 bubbles molasses 8-12% wine beer distillation 95% rectified azeotrope 95.6 constant boiling absolute 99% molecular sieves denatured ethanol+methanol+pyridine+blue dye bitter undrinkable industrial sanitizer avoids tax biofuel	Sanitizer 70% wine beer bubbles yeast burps denatured blue bitter
Ethylene glycol glycerol	HOCH2CH2OH dihydric antifreeze coolant lowers freezing -35 sweet extremely toxic kidney failure keep away children pets CH2OHCHOHCH2OH trihydric thick sweet soap byproduct saponification fats+NaOH soap+glycerol moisturizer cosmetics humectant keeps moisture	Antifreeze sweet poison toxic honey thick moisturizer soap byproduct
Everyday uses	Sanitizer ethanol 70% Dettol chloroxylenol phenol antiseptic mouthwash ethanol thymol phenol perfume anisole ether fragrance vanilla vanillin phenol car coolant antifreeze ethylene glycol soap glycerol moisturizer lab solvent ether diethyl ether fuel additive MTBE oxygenate octane medical phenol carbolic Lister surgery ether anesthesia old ethanol antidote methanol poisoning glycerol laxative salicylic acne aspirin industrial ethanol biofuel methanol solvent phenol bakelite resin switches aspirin salicylic acid phenol derivative	House bathroom sanitizer Dettol perfume vanilla car coolant soap ether lab fuel additive medical surgery anesthesia biofuel bakelite switches aspirin

Final Exam Ready Revision - Easy Day-to-Day Hooks:

Alcohol R-OH OH on sp3 alkyl ethanol sanitizer wine primary secondary tertiary C with OH bonded to 1 2 3 other C phenol C6H5-OH OH direct on benzene ring carbolic acid antiseptic acidic resonance ether R-O-R O between two alkyl no OH diethyl ether anesthesia old lab solvent glycerol trihydric 3 OH soap moisturizer thick sweet.
IUPAC -ol methanol ethanol propan-2-ol isopropanol rubbing alcohol ethylene glycol dihydric HOCH2CH2OH antifreeze car coolant cresol methyl phenol ether ethoxyethane methoxy methane structure sp3 tetrahedral C-O-H 105 phenol C-O shorter resonance H-bonding alcohol phenol hold hands higher boiling than alkanes ethers ethanol 78 ether 35 similar mass holding hands harder to separate solubility methanol ethanol fully soluble water H-bond butanol partial hexanol insoluble non-polar dominates friends same language.
Preparation alkenes hydration H2O H2SO4 Markovnikov more substituted OH propene to isopropanol secondary hydroboration BH3 anti-Markovnikov n-propanol primary haloalkanes R-X+aq NaOH R-OH NaX primary good CH3CH2Br ethanol carbonyl reduction LiAlH4 NaBH4 HCHO methanol primary RCHO primary R2CO secondary H2 Ni also Grignard RMgX+carbonyl dry ether versatile most versatile building house formaldehyde ground floor primary aldehyde first floor secondary ketone second floor tertiary CH3MgBr HCHO ethanol CH3MgBr CH3CHO isopropanol secondary CH3MgBr acetone tert-butanol tertiary fermentation sugar C6H12O6 yeast zymase 2 ethanol+2CO2 bubbles molasses 8-12% wine beer distillation 95% rectified azeotrope 95.6 constant boiling absolute 99% molecular sieves denatured ethanol methanol pyridine blue dye bitter undrinkable industrial sanitizer avoids tax yeast eating sugar burps CO2 bubbles bread rising same.
Properties Lucas ZnCl2 conc HCl ROH to RCl turbidity white ppt tertiary immediate seconds stable carbocation secondary 5-10 min primary no turbidity room temp slow distinguishes 1 2 3 race tertiary fastest oxidation primary RCH2OH PCC aldehyde RCHO Jones acid RCOOH secondary R2CHOH ketone R2CO both tertiary R3COH no alpha H no oxidation no fuel no burn dehydration conc H2SO4 170 heat alkene+H2O Saytzeff more substituted alkene major stable bridge more neighbours stable primary 170 secondary 100 tertiary 80 easier stable carbocation ethanol to ethene CH2=CH2 daily sanitizer ethanol 70% kills germs isopropanol rubbing cleaning wounds glycerol moisturizer soap ethylene glycol antifreeze car radiator lowers freezing.
Phenols cumene process industrial benzene+propene H+ cumene isopropyl benzene O2 oxidation cumene hydroperoxide acid H2SO4 phenol+acetone both useful chlorobenzene NaOH 350 high P Dow phenol NaCl diazonium C6H5N2+Cl- H2O warm phenol N2 gas bubbles acidic stronger than alcohol weaker than carboxylic phenoxide resonance 5 structures delocalized negative on ring stable EW NO2 o p increase acidity nitro phenol more acidic ED CH3 OCH3 decrease acidity cresol less acidic phenol+NaOH phenoxide C6H5ONa+H2O not NaHCO3 no CO2 distinguishes carboxylic gives CO2 with NaHCO3 electrophilic OH activating o p directing resonance donation activates ring strongly Br2 water white ppt 2,4,6-tribromophenol three Br o o p strong activation Br2 CS2 low temp o p bromophenol mono nitration dilute HNO3 low temp o p nitrophenol conc HNO3 picric acid 2,4,6-trinitrophenol yellow explosive Kolbe CO2 NaOH high P salicylic acid o-hydroxybenzoic acid aspirin precursor Reimer-Tiemann CHCl3 NaOH salicylaldehyde o-hydroxybenzaldehyde + p isomer daily Dettol chloroxylenol phenol antiseptic picric explosive yellow salicylic acne aspirin precursor donating H+ becomes resonance stable 5 houses EW increases.
Ethers Williamson R-X+R'-ONa R-O-R'+NaX alkoxide ROH+Na RONa+H2 CH3CH2ONa+CH3Br CH3CH2OCH3+NaBr tertiary RX elimination alkene not ether steric dehydration 2ROH conc H2SO4 140 C R-O-R+H2O primary ethanol 140 diethyl ether CH3CH2OCH2CH3+H2O properties low boiling 35 diethyl vs ethanol 78 no H-bonding slightly soluble water O H-bond with water peroxides dangerous old ether air light explosive ROOR test KI starch cleavage R-O-R+HI excess heat 2RI+H2O mixed R-O-R'+HI RI+R'OH smaller alkyl iodide SN2 I- attacks smaller less hindered CH3OCH2CH3+HI CH3I+ethanol bridge between islands building bridge alkoxide+halide brick cutting bridge smaller island iodide daily diethyl ether anesthesia old lab solvent anisole C6H5OCH3 perfume flavoring MTBE methyl tert-butyl ether fuel additive oxygenate octane.
Commercial methanol CH3OH wood spirit poisonous 10 mL blindness optic nerve damage 30 mL death formaldehyde formic acid CO+H2 syngas Cu ZnO high P industrial solvent fuel racing denaturing ethanol drinking controlled fermentation sugar yeast zymase 2 ethanol+2CO2 bubbles molasses sugarcane waste 8-12% wine beer distillation 95% rectified spirit azeotrope 95.6 ethanol 4.4 water constant boiling cannot separate fully molecular sieves absolute 99% pure denatured ethanol+methanol+pyridine+blue dye bitter undrinkable industrial cleaning sanitizer avoids excise tax ethylene glycol HOCH2CH2OH dihydric antifreeze coolant car radiator lowers freezing -35 sweet taste extremely toxic keep away children pets kidney failure glycerol trihydric CH2OHCHOHCH2OH thick sweet byproduct soap saponification fats+NaOH soap+glycerol moisturizer cosmetics humectant keeps moisture daily sanitizer 70% ethanol glycerol H2O2 WHO formula kills germs wine beer fermentation antifreeze car coolant ethylene glycol soap glycerol moisturizer mouthwash ethanol look-alike poison twin blindness yeast eating sugar burps CO2 bubbles bread rising sweet poison candy toxic honey thick keeps skin moist.
Everyday house bathroom sanitizer ethanol 70% Covid kills germs Dettol chloroxylenol phenol antiseptic mouthwash ethanol thymol phenol perfume ethanol anisole ether fragrance vanilla vanillin phenol derivative car coolant antifreeze ethylene glycol soap glycerol moisturizer lab solvent ether diethyl ether fuel additive MTBE oxygenate octane medical phenol carbolic acid Joseph Lister surgery ether diethyl ether old general anesthesia sweet smell now safer alternatives ethanol antidote methanol poisoning competes metabolism glycerol suppository laxative salicylic acid acne treatment Kolbe phenol industrial ethanol fuel biofuel methanol industrial solvent fuel phenol bakelite phenol formaldehyde resin electrical switches aspirin from salicylic acid phenol derivative friendly helpful sanitizer evil twin poisonous sweet poison antifreeze strict cleaner antiseptic slippery volatile bridge oxygen family same mother different fathers alkyl phenyl.