Coordination CompoundHard

Question

In the coordination compound, K4[Ni(CN)4], the oxidation state of nickel is

Options

A.0
B.+ 1
C.+ 2
D.- 1

Solution

4 (+1) + x + (-1) × 4 = 0         ⇒ 4 + x - 4 = 0
x = 0

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