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The oxidation number of cobalt in K[Co(C...

The oxidation number of cobalt in `K[Co(CO)_(4)]` is:

A

`+1`

B

`+3`

C

`-1`

D

`-3`

Text Solution

Verified by Experts

The correct Answer is:
C
Oxidation no. of (CO) in a complex is zero. `K[Co(CO)_4 ]implies1 + x = 4(0) = 0 implies x =-1`
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