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Question

Chemistry Question on Haloalkanes and Haloarenes

11-Chlorobutane on reaction with alcoholic potash gives

A

11-butanol

B

22-butene

C

11-butene

D

22-butanol

Answer

11-butene

Explanation

Solution

11-chlorobutane on reaction with alcoholic potash gives 11-butene.
CH3CH2CH2ClAlc.KOHCH3CH2CH1 - butene=CH2+HClCH_3CH_2\underset{\overset{|}{Cl}}{CH_2} \xrightarrow{Alc.KOH} \underset{\text{1 - butene}}{CH_3CH_2CH} = CH_2 + HCl