SATHEE: Coordination Compounds 2 Question 44

Coordination Compounds 2 Question 44

####46. Which of the following is formed when excess of $K C N$ is added to aqueous solution of copper sulphate?

(1996, 1M)

(a) $C u (C N)_{2}$

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

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

Show Answer

Solution:

$C u^{2 +} + C N^{-} ⟶ C u C N ↓$

$C u C N + 3 C N^{-} ⟶ {[C u (C N)_{4}]}^{3 -}$

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Coordination Compounds 2 Question 44

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