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In which of the following metal atom has...

In which of the following metal atom has negative oxidation satate?
`{:(CuH",","["Fe(CO)"]"^(2)",",Na-Hg,,),(I,II,III,,):}`

A

I,II and III

B

II

C

I and III

D

II and III

Text Solution

Verified by Experts

The correct Answer is:
B
`Cu` in `CuH` and `Fe` in `[Fe(CO)]^(2-)` have `-1` and `-2` oxidation state respectively.
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