Elimination

1
used in antifreeze and for making terylene
Elimination
HC?C H
1,1,2,2 TETRABROMOETHANE
ETHYNE (sp, b? 180)
Oxidation MnO4- / H
Oxidising Agent Cr2O72- / MnO4- / H
ETHANE-1,2-DIOL
1,2-DIBROMOETHANE
Addition H2 / Ni 200C
Electrophilic Addition Br2 (unsat. Test)
used as petrol additive
OXALIC ACID
Electrophilic Addition H2 / Ni 200C
Substitution Br2 / U.V.
Chain Rxn.
Benzoyl Peroxide Catalyst
Catalytic Cracking H2 / Ni
Temp / Pressure Addition Polymerisation (free
radical)
ETHENE (sp2, b? 120)
POLYETHENE
ETHANE (sp3, b? 109.5)
BROMOETHANE
Elimination Heat gt 170C xs conc. H2SO4
Hydrolysis dilute H2SO4
FURTHER SUBSTITUTION
FURTHER SUBSTITUTION
Electrophilic Addition Markovnikovs Rule KBr
conc H2SO4 ? HBr
xs alcohol conc. H2SO4 lt 170C
H

H C C O C C H
Fermentation

H
HBr, PCl5, PCl3
Na (Act. of OH)
Sugar Barley Potatoes
ETHOXY ETHANE (diethyl ether)
NH3 (SN1, SN2)
Reflux with dil. aq. Alkali (SN1,
SN2) Hydrolysis OH-
H2O
ETHANOL (1 Alcohol)
BROMOETHANE
Hydrolysis H / OH-
Oxidation (First Stage) Cr2O72- / H MnO4- / H
KC?N Polar Solvent SN1/SN2 ascend the homologous
Series
Reduction LiAlH4
Esterification conc. H2SO4
Sodium Ethoxide
Decend Hofmann Degradation
HCl
Used as breathyliser test
Further Oxidation Cr2O72- / H
NaOH
SODIUM ETHANOATE
NH3
conc. HCl
ETHANAL (acetaldehyde)
ETHANOIC ACID
Reduction LiAlH4 (4H)
Ca(OH)2
Dilute Acid (HCl)
P2O5
(CH3COO)2Ca
2,4-dinitrophenylhydrazine
Dehydrate P2O5
Red-Orange ppte Ethanal-2-4-dinitro- -phenylhydraz
ine
PROPANOIC ACID
2,4-dinitrophenyl- hydrazine
ETHANONITRILE
BY ALI LAKHANI