36

alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

Embed Size (px)

Citation preview

Page 1: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 2: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 3: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 4: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 5: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 6: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 7: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 8: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 9: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 10: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 11: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 12: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 13: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 14: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 15: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 16: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 17: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

alcohols

CH3CH2OH (ethanol)CH3OH methanol

Page 18: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

ether

CH3OCH3 (dimethyl ether)propellant in aerosol cans

CH3OCH2CH3 methoxyethane or ethyl methyl ether

low boiling points

Page 19: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

aldehydes

CH3CHO ethanal(acetaldehyde)

Page 20: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

ketones

Butanone or methyl ethyl ketone

Page 21: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

Carboxylic acid

Carboxylic Acids pKa

Formic acid (HCO2H) 3.77

Acetic acid (CH3COOH) 4.76

Chloroacetic acid (CH2ClCO2H) 2.86

Dichloroacetic acid (CHCl2CO2H) 1.29

Trichloroacetic acid (CCl3CO2H) 0.65

Trifluoroacetic acid (CF3CO2H) 0.5

Oxalic acid (HO2CCO2H) 1.27

Benzoic acid (C6H5CO2H) 4.2

Page 22: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

ester

-formed by condensing an acid with an alcohol-used as fragrances

Page 23: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

amides

CH3NH2 (methyl amine)Amine-NH2

Page 24: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

nitrile

Page 25: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 26: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

Substitution Reaction – a reaction in which part of a small reacting molecule replaces an atom or a group

of atoms on the organic molecule

CH3CH2CH3 + Cl2 CH3CH2CH2Cl + HClpropane + chlorine 1-chloropropane + hydrochloric acidH is replaced by a functional group (Cl)

CH3CH2OH + HF CH3CH2F + H2OEthanol + hydrofluoric acid fluoroethane + water

Page 27: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

HalogenationH

CH

H

C

H

H

H + Br2

H

CH

H

C

H

H

Br

Heat or Light or hv

Ethane Bromoethane

HBr+

C

H

H

H + Cl2

Heat or Light or hv

Methane chloromethane

HCl+H C

H

H

ClH

CH2Cl2 and CHCl3may be observed

A halogen is added

Page 28: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

Addition reactions

Breaking a double bond and adding a halogen, a hydrogen halide, or sulfuric acid.

H2C=CH2(g) + Br2(l) BrH2C-CH2Br(l)Ethene + bromine 1,2-dibromorthane

CH2=CHCH3 + HCl CH3CHClCH3

propene + hydrochloric acid 2-chloropropane

Page 29: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

Elimination reactions

Remove atoms to create double bonds.

CH3CH2CH2OH CH3CHCH2 + H2O 1-propanol propene + water

H2SO4

Page 30: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

Esterification

forms an ester by heating a carboxylic acid, R-CO-OH, with an alcohol, R'-OH, while removing the water that

is formed.

Page 31: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

Saponification

Ester + base alcohol + salt

fat or oil + base soap + glycerol

Page 32: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol

C C

H

H

H

H H

C C

H

H H

C C

H

H

H

CH3 H

C C

CH3

H H

C C

H

H

H

Cl

C C

F

F

F

F

C C

H H

C C

H

H HH

C C

H

H

ClH

C C

F F

FF

n

Polyethylene

n

Polypropylenepropylene

ethylene

vinyl chloride

n

n

n

n

Poly(vinylchloride), PVC

n

n

n

n

TeflonTetrafluoroethene

Styrene

Polystyrene

Polymers are large molecules containing many identical repeating units (100-1000000)

Polymerisation reaction is a repetition reaction which combines many small molecules of monomer (alkene) to form a polymer

Addition polymer is a polymer in which the monomer simply add together with no other products formed besides polymer

Page 33: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 34: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 35: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol
Page 36: alcohols CH 3 CH 2 OH (ethanol) CH 3 OH methanol