A) 2.84
B) 4.90
C) 0
D) 1.73
Correct Answer: A
Solution :
\[N{{i}^{2+}}=[Ar]3{{d}^{8}}\] Number of unpaired electrons = 2 Hence, magnetic moment\[=\sqrt{n(n+2)}=\sqrt{8}=2.84\]You need to login to perform this action.
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