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Aqueous solution of nickel sulphate on t...

Aqueous solution of nickel sulphate on treating with pyridine and then adding a solution of sodium nitrite gives derk blue crystals of

A

`[Ni(py)_(4)]SO_(4)`

B

`[Ni(py)_(2)(NO_(2))_(2)]`

C

`[Ni(py)_(4)(NO_(2))_(2)]`

D

`[Ni(py)_(3)(NO_(2))_(2)SO_(4)]`

Text Solution

Verified by Experts

The correct Answer is:
C
`NiSO_(4)+4 "Pyridine"+2NaNO_(2)rarrNa_(2)SO_(4)+[Ni(py)_(4)(NO_(2))_(2)]`
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