First slide

IUPAC Nomenclature

Question

In the coordination compound, $K_{4} [Ni {(CN)}_{4}]$ oxidation state of nickel is

Easy

A

-1
B

0
C

+1
D

+2

Solution

+ 1 x 4 + x - 1 x 4 = 0
4 + x - 4 = 0 ⇒ x = 0 for Ni.

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