Organic Chemistry Some Basic Principles And Techniques Ques 43

43. Consider the following compounds

Hyperconjugation occurs in :

(a) II only

(b) III only

(c) I and III

(d) I only

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Answer:

Correct Answer: 43.(b)

Solution:

  1. (b) Only structure (III) has $H$ in conjugation with free radical.

So, hyperconjugation is possible in (III) only.