Q. Which of the following is the most stable radical?
A) [image:12_image89.emf]
B) [image:12_image90.emf]
C) [image:12_image91.emf]
D) [image:12_image92.emf]
Explanation
(d)
Stability of alkyl free radicals can be explained by hyperconjugation and number of resonating structure due to the hyperconjugation. The decreasing order of stability of alkyl free radical is as follows
[image:12_image346.emf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.