Chapter 20, Problem 47P

Interpretation Introduction

Interpretation:

The structure of compound $\text{B}$ and the mechanism for conversion of compound $\text{A}$ to $\text{B}$ is to be drawn.

Concept introduction:

The replacement or substitution of one functional group with another different functional group in any chemical reaction is termed as substitution reaction.

In nucleophilic substitution reaction, nucleophile takes the position of leaving group by attacking on the electron deficient carbon atom.