Question

Which of the followings is secondary radical :-
(1) CH2=CH-
(2) (CH3)3C-
(3) C6H5-
(4) CH3-(CH2)2 -CH2-​

Answer 1

Answer:

Secondary radical is one which is attached to the carbon group containing two other branches of carbon group.

OPTION 4 is secondary radical.

CH3-(CH2)2 -CH2-​ ,here (CH2) is attached to (CH2)2 which is two carbon branches.