Question

Analyse the following reaction and identify the nature of $A$ and $B$.

• A. Both A and B are
• B. Both A and B are
• C. A is
• D. A is (5) A is

Answer 1

Answer: (C)

A is

Answer 2

Formation of A is a electrophilic addition reaction

(i) $HBr \rightarrow H^{+} + Br^{-}$

(ii)

Formation of B is a free radical addition reaction.

(i) $HBr\overset{\quad hv\quad}{\rightarrow}\overset{\bullet}{H} + \overset{\bullet}{Br}$

(ii)

(iii)