Chapter 21, Problem 21.2P

Interpretation Introduction

Interpretation: An explanation for the less reactivity of benzaldehyde than cyclohexanecarbaldehyde towards nucleophilic attack is to be stated.

Concept introduction: Both aldehydes and ketones undergo nucleophilic addition reaction. The relative reactivity of carbonyl group, towards nucleophilic attack is inversely proportional to the number of $\text{R}$ groups bonded to it. Aromatic compounds are less reactive towards nucleophilic attack, whereas nonaromatic compounds are highly reactive towards nucleophilic attack.