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OrganicReactionPathways

OrganicReactionPathways - Organi c FURTHER SUBSTITUTION HH...

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H—C — C — OH H H | | H H | | Elimination Heat > 170°C xs conc. H 2 SO 4 Hydrolysis dilute H 2 SO 4 >C = C < H H H H ETHANOL (1° Alcohol) ETHENE ( sp 2 , b =120° ) Electrophilic Addition Br 2 (unsat. Test) H—C — C — H H Br | | H Br | | 1,2-DIBROMOETHANE used as petrol additive Oxidising Agent Cr 2 O 7 2- / MnO 4 - / H + H—C — C — H H OH | | H OH | | ETHANE-1,2-DIOL used in antifreeze and for making terylene Benzoyl Peroxide Catalyst Temp / Pressure Addition Polymerisation (free radical) —CH 2 —CH 2 [ ] n POLYETHENE Electrophilic Addition Markovnikov’s Rule KBr + conc H 2 SO 4 HBr H—C — C — H H H | | H Br | | BROMOETHANE HBr, PCl 5 , PCl 3 Reflux with dil. aq. Alkali (S N 1, S N 2) Hydrolysis: [OH - ] Oxidation (First Stage) Cr 2 O 7 2- / H + MnO 4 - / H + H—C — C H H | | O H < ETHANAL (acetaldehyde) Reduction LiAlH 4 H—C — C H H | | O OH < Further Oxidation Cr 2 O 7 2- / H + Used as breathyliser test ETHANOIC ACID KC N Polar Solvent S N 1/S N 2 ascend the homologous Series H—C — C — C N H H | | H H | | PROPANONITRILE Dilute Acid (HCl)
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