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JEE · NEET Previous Year Question

$A complex compound in which the oxidation number of a metal is zero$

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

A $(Ni (CO)_{4})$
B $(Pt (NH_{3})_{4}) Cl_{2}$
C $K_{4} (Fe (CN)_{6})$
D $K_{3} (Fe (CN)_{6})$

Correct answer: A

Solution

(a) : CO is a neutral ligand, hence it has zero oxidation state in the complex (Ni (CO)_{4}) .

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