Question

An alkyl halide, $RX$ reacts with $KCN$ to give propane nitrile. $RX$ is

• A. $C_3H_7Br$
• B. $C_4H_9Br$
• C. $C_2H_5Br$
• D. $C_5H_{11}Br$

Answer 1

Answer: (C)

$C_2H_5Br$

Answer 2

${C2H5Br +KCN ->}$ $\underset{\text{Propane nitrile}}{ {C2H5CN}}$ ${+ KBr}$