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Byju's Answer
Standard XII
Chemistry
Nomenclature of Carbonyls
Which of the ...
Question
Which of the following is not a planar molecule?
A
H
2
C
=
C
=
C
H
2
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B
H
2
C
=
C
=
C
=
C
H
2
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C
C
H
2
=
C
=
C
=
O
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D
N
C
−
H
C
=
C
H
−
C
N
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Solution
The correct option is
A
H
2
C
=
C
=
C
H
2
Suggest Corrections
0
Similar questions
Q.
The IUPAC name of:
H
C
≡
C
−
C
H
2
−
C
H
2
=
C
H
C
H
2
−
|
C
=
C
H
−
H
|
C
=
O
Q.
2)
H
2
C
=
C
H
−
C
H
2
−
+
C
H
−
C
H
3
3)
H
3
C
−
C
H
3
|
C
|
C
H
3
−
+
C
H
2
Write these carbocations in decreasing order of their stabilities.
Q.
Write the name and formula of the product formed in each case below:
a)
C
2
H
4
+
C
L
2
→
…
…
b)
C
2
H
5
B
r
+
K
O
H
(
a
l
c
.
)
Δ
−
→
…
…
c)
H
2
C
=
C
H
2
+
2
[
O
]
a
l
k
.
K
M
n
O
4
−
−−−−−−
→
…
…
d)
H
2
C
=
C
H
2
+
H
B
r
→
…
…
(e)
H
2
C
=
C
H
2
+
O
3
→
…
…
[5 MARKS]
Q.
Name of the following compound.
H
2
C
=
C
H
−
C
H
2
−
C
H
2
−
C
H
3
Q.
Which of the following lone-pair indicated is not involved in resonance?
(A)
C
H
2
=
C
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
−
N
H
2
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