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Calculate the oxidation number of nickel...

Calculate the oxidation number of nickel in `Ni(CO)_4` iron in `Fe(CO)_5` and carbon in `CH_2O`.

A

0

B

`+4`

C

`-4`

D

`+2`

Text Solution

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The correct Answer is:
A
If any central metal atom combined with carbonyl group than central metal atom shows always zero oxidation state.
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