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Byju's Answer
Standard XII
Physics
Magnetic Field
The ratio of ...
Question
The ratio of number of exchange pairs present in
d
9
and magnetic moment of Cr in B.M. is:-
A
2
√
3
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B
2
√
3
3
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C
2
√
3
4
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D
16
√
35
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Solution
The correct option is
A
2
√
3
Magnetic moment of
C
r
in
d
9
:
μ
=
√
n
(
n
+
2
)
=
√
1
(
1
+
2
)
=
√
3
(Refer to Image)
Two exchange pairs present in
d
9
of
C
r
:
∴
2
√
3
.
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Column I
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