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

• Coordination Compounds

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

1. 0
2. –1
3. +1
4. +2

Answer

Let the oxidation number of Ni in K₄[Ni(CN)₄] = x

1 × 4 + x × (–1) × 4 = 0

4 + x – 4 = 0

x = 0

The correct option is A.