Question

Arrange the following alkyl free radicals in the order of increasing stability:
(i) C(CH3)3 (ii) CH2CH3
(iii) CH(CH3)2

A. (i) < (iii) < (ii)
B. (iii) < (ii) <(i)
C. (ii) < (i) < (iii)
D. (ii) < (iii) < (i)
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Answer 1

I>iii>ii. Tertiary >secondary >primary. (Stability order)