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Arrange the following in increasing ord...

Arrange the following in increasing order of oxidation state of Ni.
`K_(2)[Ni(CN)_(4)],K_(2)[NiF_(6)],Ni(CO)_(4)`

A

`Ni(CO)_(4), K_(2)[Ni(CN)_(4)], K_(2)[NiF_(6)]`

B

`K_(2)[Ni(CN)_(4)], Ni(CO)_(4), K_(2)[NiF_(6)]`

C

`Ni(CO)_(4), K_(2)[NiF_(6)], K_(2)[Ni(CN)_(4)]`

D

`K_(2)[NiF_(6)], K_(2)[Ni(CN)_(4)], Ni(CO)_(4)`

Text Solution

Verified by Experts

The correct Answer is:
A
`K_(2)[Ni(CN)_(4)]:+2+x+4(-1)=0 rArr x=+2`
`K_(2)[NiF_(6)]:+2+x+6(-1)=0 rArr x=+4`
`Ni(CO)_(4):x+0=0 rArr x=0`
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