Question
Chemistry Question on Organic Chemistry- Some Basic Principles and Techniques
The least stable free radical is
A
CH3CHCH(CH3)2
B
CH2CH2CH(CH3)2
C
CH3
D
CH3CH2C(CH3)2
Answer
CH3
Explanation
Solution
As the number of alkyl groups attached to the carbon containing odd electron increases, number of hyperconjugative structures increases, and thus, the stability increases. CH3 due to lack of alkyl group, attached to the ∘C, is least stable.