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Tardigrade
Question
Chemistry
The correct order of leaving group ability in a nucleophilic substitution reaction is
Q. The correct order of leaving group ability in a nucleophilic substitution reaction is
1847
210
J & K CET
J & K CET 2012
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A
B
r
−
>
C
l
−
>
C
H
3
C
O
2
−
>
H
O
−
>
H
−
B
H
−
>
O
H
−
>
C
H
3
C
O
2
−
>
C
l
−
>
B
r
−
C
B
r
−
C
H
3
C
O
2
−
C
l
−
>
O
H
−
>
H
−
D
C
H
3
C
O
2
−
>
B
r
−
>
C
l
−
>
O
H
−
>
H
−
Solution:
The correct order of leaving group ability in a nucleophilic substitution reaction is
B
r
−
>
C
l
−
>
C
H
3
CO
O
−
>
H
O
−
H
−
Because the best leaving group is that which is conjugal base of strong acid.