Question

The stability of given free radicals in decreasing order is :

(i) CH3– (ii) CH3––CH3

(iii) (iv) $\dot { \mathrm { C } } \mathrm { H } _ { 3 }$

• A. iii > iv > i > ii
• B. i > ii > iii > iv
• C. iii > ii > iv >I
• D. iii > ii > i > iv

Answer 1

Answer: (D)

iii > ii > i > iv

Answer 2

Combine effect of +I effect and hyperconjugation.