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What is the oxidation number of Co in [C...

What is the oxidation number of Co in `[Co(NH_3)_4 ClNO_2]`

A

`+2`

B

`+3`

C

`+4`

D

`+5`

Text Solution

Verified by Experts

The correct Answer is:
A
`[overset("*")CO(NH_3)_(4)ClNO_2]`
`implies x +4 (0)+1(-1)+1(-1)=0`
`implies x + 0 - 1 - 1 = 0`
`implies x -2 =0 implies x =+2`
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