Question

# In $$Ni(CO)_4$$, the oxidation state of Ni is?

A
4
B
Zero
C
2
D
8

Solution

## The correct option is D ZeroIn nickel tetracarbonyl, the oxidation state for nickel is assigned as zero. The formula conforms to the 18-electron rule. The molecule is tetrahedral, with four carbonyl (carbon monoxide) ligands attached to nickel.Hence, the correct option is $$B$$Chemistry

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