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Which of the following is formed when ex...

Which of the following is formed when execess of `KCN` is added to an aqueous solution of copper sulphate ? .

A

`Cu(CN)_(2)`

B

`K_(2)[Cu(CN)_(4)]`

C

`K[Cu(CN)_2]`

D

`K_3[Cu(CN)_4]`

Text Solution

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The correct Answer is:
D
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