Aldehydes Ketones Question 24

Question: Reaction $ \begin{matrix} R \\ R \\ \end{matrix}>CO+HCN\to R-\underset{\underset{CN}{\mathop{|}}}{\mathop{\overset{\overset{R}{\mathop{|}}}{\mathop{C}}}}-OH $ is

[Kurukshetra CEE 1998; IIT 1990]

Options:

A) Electrophilic substitution

B) Electrophilic addition

C) Nucleophilic addition

D) Nucleophilic substitution

Show Answer

Answer:

Correct Answer: C

Solution:

$ \begin{matrix} R \\ {} \\ R \\ \end{matrix}>C=O+HCN\to \begin{matrix} R \\ {} \\ R \\ \end{matrix}>C<\begin{matrix} CN \\ {} \\ OH \\ \end{matrix} $ is an example of nucleophilic addition reaction.