Question

Which of the following alkenes is the most reactive towards the addition of bromine ?

• A.
• B. CH₃–CH₂–CH=CH₂
• C.
• D.

Answer 1

Answer: (D)

Answer 2

Greater the stabilisation of carbocation , greater is its reactivity. The number of hyper conjugative structure possible for carbocations obtained from (1), (2), (3) and (4) are 5, 2, 5, and 6 respectively.