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Question
Chemistry
Which one of the following forms propanenitrile as the major product?
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Q. Which one of the following forms propanenitrile as the major product?
KCET
KCET 2010
Amines
A
Propyl bromide + alcoholic $KCN$
26%
B
Ethyl bromide + alcoholic $KCN$
43%
C
Ethyl bromide + alcoholic $AgCN$
21%
D
Propyl bromide + alcoholic $AgCN$
10%
Solution:
When ethyl bromide reacts with alcoholic KCN, propane nitrile is obtained as main product.
$C _{2} H _{5} Br + Alc . KCN \longrightarrow \underset{\text{propane nitrile}}{C _{2} H _{5} CN}$