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:
- (b) Only structure (III) has $H$ in conjugation with free radical.
So, hyperconjugation is possible in (III) only.