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Byju's Answer
Standard XII
Chemistry
Electronegativity
The dipole mo...
Question
The dipole moment of a molecule
A
B
is
1.6
×
10
−
30
C.m . If intermolecular distance is
2.0
×
10
−
10
m, then the percentage ionic character of
A
B
is :
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Solution
The dipole moment for
100
% ionic character will be:
μ
i
o
n
i
c
=
q
×
d
=
1.6
×
10
−
19
C
×
2.0
×
10
−
10
m
μ
i
o
n
i
c
=
3.2
×
10
−
29
C
m
The percentage ionic character is
=
Observed dipole moment
Dipole moment for complete ionic character
×
100
=
1.6
×
10
−
30
3.2
×
10
−
29
×
100
=
5
%.
Hence, the percentage ionic character is
5
%.
Therefore, the answer is
5
.
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