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Class 12 NEET Chemistry D And F Block Elements Questions
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© examsnet.com
Question : 2
Total: 108
Which of the following pairs of ions will have same spin only magnetic moment values within the pair?
A.
Zn
2
+
,
Ti
2
+
B.
Cr
2
+
,
Fe
2
*
C.
Ti
3
+
,
Cu
2
+
D.
V
2
*
,
Cu
+
Choose the correct answer from the options given below :
[NEET 2024 Re]
C and D only
A and D only
A and B only
B and C only
Validate
Solution:
Magnetic moment
µ
=
√
n
(
n
+
2
)
B
M
n
⇒
Number of unpaired electrons
Ion
n
µ(BM)
Z
n
2
+
0
0
T
i
2
+
2
√
8
C
r
2
+
4
√
24
F
e
2
+
4
√
24
T
i
2
+
1
√
3
C
u
2
+
1
√
3
V
2
+
3
√
15
C
u
2
+
0
0
Hence
(
Cr
2
+
,
Fe
2
+
)
and
(
Ti
3
+
,
Cu
2
+
)
are the pair of same magnetic moment.
© examsnet.com
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