Q. In $[N i C l_{4}]^{2 -},$ the number of unpaired electrons, are:

2095 256 BHUBHU 2003 Report Error

A

4

B

2

C

3

D

5

Solution:

Oxidation number of $N i$ in $[N i C l_{4}]^{2 -} = + 2$
$∴$ Number of unpaired electrons $= 2$

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