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

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1.	A complex compound in which the oxidation number of a metal is zero is?
A.	K4 [Fe (CN)6]
B.	[Ni (CO)4]
C.	K3 [Fe (CN)6]
D.	[Pl (NH3 )4]Cl2
Answer» C. K3 [Fe (CN)6]

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