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Question
Propane nitrile can be prepared by heating ____________
Options
ethyl bromide with alcoholic KCN
propyl bromide with alcoholic KCN
ethyl bromide with alcoholic AgCN
propyl bromide with alcoholic AgCN
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Solution
ethyl bromide with alcoholic KCN
Explanation:
\[\ce{\underset{\text{Ethyl bromide}}{CH3CH2Br}->[Alc.KCN,\Delta][-H2O]\underset{\text{Propane nitrile}}{CH3CH2CN}}\]
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