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KVPY SX SB Exam 2012 Question Paper
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© examsnet.com
Question : 49
Total: 120
The isoelectronic pair of ions is
S
c
2
+
and
V
3
+
M
n
2
+
and
F
e
3
+
M
n
3
+
and
F
e
2
+
N
i
3
+
and
F
e
2
+
Validate
Solution:
Mn
+
2
=
23
e
–
Fe
+
3
=
23
e
–
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