Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: Coordination Compounds

Question:

In which of the following compound, the oxidation number of central metal is zero?

Options:

K[BF4]

k[Ag(CN)2]

Ni(CO)4

K4[Fe(CN)6]

Correct Answer:

Ni(CO)4

Explanation:

In Ni(CO)4, oxidation number of Ni is zero as CO is a neutral strong field ligand.

x + 4(0) = 0

x = 0