CMC Medical
CMC-Medical Ludhiana Solved Paper-2008
question_answer
Which of the following free radicals is most stable?
A) Primary
B) Methyl
C) Secondary
D) Tertiary
Correct Answer:
D
Solution :
Stability order of free radicals is as: Greater the number of alkyl groups attached to the carbon atom carrying the odd electrons, greater is the delocalisation of odd electron and hence, more stable is the free radical.