First slide

Hydrogen chloride

Question

Iodine is formed when potassium iodide reacts with solution of

Moderate

A

${ZnSO}_{4}$
B

${CuSO}_{4}$
C

${({NH}_{4})}_{2} {SO}_{4}$
D

${Na}_{2} {SO}_{4}$

Solution

$($ $2 {CuSO}_{4} + 4 KI \to 2 CuI + 2 K_{2} {SO}_{4} + I_{2}$ )

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