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Tardigrade
Question
Chemistry
Which of the following species is least stable?
Q. Which of the following species is least stable?
1694
230
J & K CET
J & K CET 2000
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A
P
−
O
2
N
−
C
6
H
4
−
+
C
H
2
B
C
6
H
5
−
+
C
H
2
C
P
−
Cl
−
C
6
H
4
−
+
C
H
2
D
P
−
C
H
3
O
−
C
6
H
4
−
+
C
H
2
Solution:
P
−
N
O
2
−
C
6
H
4
−
C
+
H
2
is the least stable carbocation among these because electron withdrawing
−
N
O
2
group destabilizes the carbocation.