In the reaction, $R-X \underset{\mathrm{KCN}}{\stackrel{\text { Nocholic }}{\longrightarrow}} \mathrm{KCl} \underset{\mathrm{HCl}}{\stackrel{\text { Dilute }}{\longrightarrow}} \mathrm{B}$, the product $B$ is

• A

  alkyl chloride
• B

  aldehyde
• Correct answer
  C

  carboxylic acid
• D

  ketone

Solution

The complete reaction is as follows :

Hence, the correct answer is option: 'C'.