Question

Among the given free radical bromination reactions, the reaction(s) in which $2^{\circ }$ halide is a major product, is/are:

• A.
• B.
• C.
• D.

Answer 1

The correct option is A

Rate of bromination: $3^o-H>2^o-H>1^o-H$

In (a) , only $2^{\circ }$ halide is formed as shown:

In (b) , major product that is formed is a $3^{\circ }$ halide as shown:

In (c), major product that is formed is a $3^{\circ }$ halide as shown:


In (d), major product that is formed is a $3^{\circ }$ halide as shown:

Therefore, (a) is correct.