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Byju's Answer
Standard XII
Chemistry
Nomenclature of Unsaturated Hydrocarbons
which of the ...
Question
which of the following is the correct order of C-C bond lengths among these compounds-----1.CH3-O-CH=CH-NO2 2.CH2=CH-CH3 3.CH2=CH-NO2 4.CH2=CH2
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Q.
The correct order of C - H bond length in
C
H
3
−
C
H
3
,
C
H
2
=
C
H
2
and
C
H
≡
C
H
is:
Q.
The correct order of C - H bond length in
C
H
3
−
C
H
3
,
C
H
2
=
C
H
2
and
C
H
≡
C
H
is:
Q.
I
.
⊖
C
H
2
−
⊕
C
H
−
C
H
=
C
H
−
O
−
C
H
3
I
I
.
⊖
C
H
2
−
C
H
=
C
H
−
⊕
C
H
−
O
−
C
H
3
I
I
I
.
C
H
2
=
C
H
−
⊖
C
H
−
⊕
C
H
−
O
−
C
H
3
I
V
.
C
H
2
=
C
H
−
⊖
C
H
−
C
H
=
⊕
O
−
C
H
3
C
H
2
=
C
H
−
C
H
=
C
H
−
O
−
C
H
3
has the following above resonating structures.
The correct order of stability of these resonating structures is:
Q.
(a)
C
H
3
−
C
H
|
C
H
3
−
C
H
2
−
C
H
|
C
H
3
−
C
H
|
C
H
3
−
C
H
3
(b)
C
H
3
−
C
H
|
C
H
3
−
C
H
|
C
H
3
−
C
H
3
Give
I
U
P
A
C
name of following compounds.
Q.
Find out the order of stability between
(
A
)
C
H
3
−
C
H
2
−
C
|
C
O
O
H
H
−
−
C
H
−
C
H
3
(
B
)
C
H
3
−
C
|
C
O
O
H
H
−
C
H
2
−
−
C
H
−
C
H
3
(
C
)
C
|
C
O
O
H
H
2
−
C
H
2
−
C
H
2
−
−
C
H
−
C
H
3
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