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Copper II Sulphate

Copper sulpha...

Question

Copper sulphate solution reacts with KCN to give :

C u (C N)_{2}

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C u C N

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K_{3} [C u (C N)_{4}]

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K_{4} [C u (C N)_{4}]

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Solution

The correct option is C $K_{3} [C u (C N)_{4}]$
Cu made complex with KCN.
Reaction:
$C u K C N - -- \to K_{3} [C u (C N)_{4}]$

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Similar questions

Which compound is formed when an excess of $K C N$ is added to an aqueous solution of copper sulphate?

K F

H F

K H F_{2}

K^{+}, F^{-}

H^{+}

K^{+}, F

H F

K^{+}

[H F_{2}]^{-}

[K H F]^{+}

F^{-}

K C N

C u (C N)_{2}

K_{2} [C u (C N)_{4}]

K [C u (C N)_{2}]

K_{3} [C u (C N)_{4}]

C u S O_{4}

K C N

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