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Coordination Complexes

When Cu2+ i...

Question

When $C u^{2 +}$ ion is treated with $K I$ , a white precipitate is formed. Explain the reaction with the help of chemical equation.

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Solution

$2 C u S O_{4} (a q .) + 4 K I (a q .) \to 2 K_{2} S O_{4} (a q .) + C u_{2} I_{2} (s) + I_{2}$
The white precipitate obtained is $C u_{2} I_{2}$ .

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