Question

In which of the following pairs, the bromination of first member is easier than the second member?

• A. Isobutane, n-butane
• B. N-Butane, isobutene
• C. Methane, ethane
• D. None of these

Answer 1

Answer: (A)

Isobutane, n-butane

Answer 2

For photochemical halogenation [bromination] reactivity of hydrogen atom is

3⁰H > 2⁰H > 1⁰H.

So, option (1) is correct.