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Byju's Answer
Standard XII
Chemistry
Structure of Carbanion
The stability...
Question
The stability of the following carbanions follows the order
a.
C
H
2
=
⊖
C
H
b.
H
C
≡
⊖
C
c.
O
2
N
−
⊖
C
H
2
d.
⊖
C
H
3
A
b > a > c > d
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B
b > d > a > c
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C
d > a > b > c
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D
c > b > a > d
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Solution
The correct option is
D
c > b > a > d
NCERT Reference: Chemistry -XI, Page No. 350
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Similar questions
Q.
Consider the following carbanions.
I)
C
H
3
−
C
H
−
2
II)
C
H
2
=
C
H
−
III)
C
H
≡
−
C
Correct order of stability of these carbanions in decreasing order is:
Q.
A)
C
H
3
−
C
H
2
−
⊕
C
H
2
B)
C
H
3
−
C
H
|
F
−
⊕
C
H
2
C)
C
H
3
−
C
H
|
B
r
−
⊕
C
H
2
D)
C
H
3
−
C
H
|
C
l
−
⊕
C
H
2
Arrange the following carbocations in decreasing order of their stability:
Q.
The order of decreasing stability of the carbanions is:
1)
(
C
H
3
)
3
C
−
2)
(
C
H
3
)
2
C
H
−
3)
C
H
3
C
H
2
−
4)
C
6
H
5
C
H
2
−
Q.
The order of stability of the following tautomeric compounds is:
C
H
2
=
O
H
|
C
−
C
H
2
−
O
|
|
C
−
C
H
3
⇌
C
H
3
−
O
|
|
C
−
C
H
2
−
O
|
|
C
−
C
H
3
⇌
C
H
3
−
O
H
|
C
=
C
H
−
O
|
|
C
−
C
H
3
I
I
I
I
I
I
Q.
In a fuel cell
H
2
and
O
2
react to product electricity. In the process, hydrogen is oxidized at anode and oxygen at cathode. If 67.2 l of
H
2
at STP reacts in 15 min, the average current produced (
i
n
A
) is_______. (nearest value)
Anode :
H
2
+
2
⊖
O
H
→
2
H
2
O
+
2
e
−
Cathode :
O
2
+
2
H
2
)
+
2
e
−
→
4
⊖
O
H
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