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Byju's Answer
Standard XII
Chemistry
Bond Length
Which one of ...
Question
Which one of the following compounds is not planar?
A
C
H
2
=
C
=
C
H
2
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B
C
H
2
=
C
H
2
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C
C
H
2
=
C
H
−
C
H
=
C
H
2
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D
C
H
2
=
C
H
−
C
≡
C
H
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Solution
The correct option is
B
C
H
2
=
C
H
2
In A,C and D, the central atoms are
s
p
hybridized while the rest are
s
p
2
hybridised. Due to this, they have a planar structure.
However, in B both atoms are
s
p
2
hybridized.
Hence, it is not planar.
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Similar questions
Q.
Arrange the following in increasing order of stability on the basis of resonance.
(i)
C
H
2
=
C
H
−
C
H
=
C
H
−
+
C
H
2
(ii)
C
H
2
=
C
H
−
+
C
H
−
C
H
=
C
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(iii)
C
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C
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−
+
C
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−
−
C
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H
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(iv)
+
C
H
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C
H
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H
−
−
C
H
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+
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.
Q.
Give
I
U
P
A
C
name of following compound.
C
H
2
=
C
H
−
C
H
2
−
C
H
2
−
C
≡
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H
Q.
Which of the following lone-pair indicated is not involved in resonance?
(A)
C
H
2
=
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H
−
.
.
N
H
−
C
H
3
(B)
C
H
2
=
C
H
−
.
.
O
.
.
−
C
H
3
(C)
C
H
2
=
C
H
−
.
.
O
.
.
−
C
H
=
C
H
2
(D)
C
H
2
=
C
H
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N
H
2
Q.
Which will undergo reaction with ammonical
A
g
N
O
3
?
Q.
Give the IUPAC name of the following compounds:
C
H
3
−
C
H
2
−
O
H
|
C
H
−
C
H
2
−
C
H
2
−
C
H
2
−
C
H
2
−
C
H
2
−
C
H
2
−
C
H
2
−
C
H
2
−
C
H
3
|
C
H
−
C
H
3
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