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Byju's Answer
Standard XII
Chemistry
Polarity and Dipole Moments
C - Cl bond o...
Question
C
−
C
l
bond of chlorobenzene in comparison to
C
−
C
l
bond of methyl chloride is:
A
longer and weaker
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B
shorter and weaker
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C
shorter and stronger
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D
longer and stronger
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Solution
The correct option is
C
shorter and stronger
The
C
−
C
l
bond in
C
6
H
5
C
l
is shorter than in
C
H
3
C
l
and therefore, stronger.
The lone pair on chlorine are dispersed throughout the benzene ring by resonance. This gives the
C
−
C
l
bond a double bond character.
Option C is correct.
Suggest Corrections
1
Similar questions
Q.
In comparison to
C
−
C
l
bond in ethyl chloride, the
C
−
C
l
bond in vinyl chloride is:
Q.
The bond length of
C
−
C
l
in
C
H
3
−
C
l
is longer than that in chlorobenzene because:
Q.
Give reasons:
(i)
C
−
C
l
bond length in chlorobenzene is shorter than
C
−
C
l
bond length in
C
H
3
−
C
l
.
(ii) The dipole moment of chlorobenzene is lower than that of cyclohexyl chloride.
(iii)
S
N
1
reactions are accompanied by racemization in optically active alkyl halides.
Q.
Assertion :Chlorine reacts more rapidly with
H
2
in comparison to
D
2
. Reason:
D
−
C
l
bond is stronger in comparison to
H
−
C
l
bond.
Q.
C
−
C
l
bond is stronger than
C
−
I
bond, because:
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