Stability of Free Radical
Trending Questions
Q. Compare the stability of given free radicals
- A > B > C
- C > B > A
- B > C > A
- A > C > B
Q. Maximum stability will be in which of the following free radicals?
Q. Homolytic fission of the following alkanes forms free radicals
CH3−CH3, CH3−CH2−CH3, (CH3)2CH−CH3, CH3−CH2−CH(CH3)2.
The increasing order of stability of the radicals is:
CH3−CH3, CH3−CH2−CH3, (CH3)2CH−CH3, CH3−CH2−CH(CH3)2.
The increasing order of stability of the radicals is:
- (CH3)3.C<(CH3)2.C−CH2CH3<CH3−.CH−CH3<CH3−.CH2
- (CH3)2.C−CH2CH3<CH3−.CH−CH3<CH3−.CH2<(CH3)3.C
- CH3−.CH2<CH3−.CH−CH3<(CH3)2.C−CH2CH3<(CH3)3.C
- CH3−.CH2<CH3−.CH−CH3<(CH3)3.C<(CH3)2.C−CH2CH3
Q. The correct increasing order of stability of the free radicals among the following is:
- (C6H5)2∙CH<(C6H5)3∙C<(CH3)3∙C<(CH3)2∙CH
- (CH3)2∙CH<(CH3)3∙C<(C6H5)2∙CH<(C6H5)3∙C
- (CH3)3∙C<(CH3)2∙CH(C6H5)2∙CH<(C6H5)3∙C
- (C6H5)3∙C<(C6H5)2∙CH<(CH3)3∙C<(CH3)2∙CH
Q. Which of the following exhibits +R (resonance) effect?
- −CN
- −CHO
- −NH2
- −NO2
Q.
The correct increasing order of stability of the following free radicals is
(CH3)2.CH<C6H5.CH2<(CH3)3.C<(C6H5)2.CH
(CH3)2.CH<(CH3)3.C<(C6H5).CH2<(C6H5)2.CH
(CH3)3.C<(CH3)2.CH<(C6H5).CH2<(C6H5)2.CH
C6H5.CH2<(C6H5)2.CH<(CH3)2.C<(CH3)3.C
Q. 
The correct order of the enol content of x, y and z is:
The correct order of the enol content of x, y and z is:
- x>y>z
- z>y>x
- y>x>z
- x>z>y
Q. Which of the following free radicals is pyramidal?
Q. Which of the following free radicals is pyramidal?
