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When measured amount of CN^(-) is added ...

When measured amount of `CN^(-)` is added to a solution of `Cu^(2+)` ions a yellow ppt is formed. The ppt. when slightly heated a gas X is liberated . X is

A

`N_(2)`

B

`CuCN`

C

`(CN)_(2)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
`CuCN+CN^(-) rarr[Cu(CN)_(4)]^(3-)`
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