A) \[Cu{{l}_{2}}+{{K}_{2}}S{{O}_{4}}\]
B) \[C{{u}_{2}}{{I}_{2}}+{{K}_{2}}S{{O}_{4}}\]
C) \[{{K}_{2}}S{{O}_{4}}+C{{u}_{2}}{{I}_{2}}+{{I}_{2}}\]
D) \[{{K}_{2}}S{{O}_{4}}+Cu{{I}_{2}}+{{I}_{2}}\]
Correct Answer: C
Solution :
Copper sulphate reacts with KI to give cuprous iodide and iodine. \[\underset{\begin{smallmatrix} \text{copper} \\ \text{sulphate} \end{smallmatrix}}{\mathop{2CuS{{O}_{4}}}}\,+4KI\to \underset{\begin{smallmatrix} \text{cuprous} \\ \text{iodide} \end{smallmatrix}}{\mathop{C{{u}_{2}}{{I}_{2}}}}\,+\underset{\text{iodine}}{\mathop{{{I}_{2}}}}\,+2{{K}_{2}}S{{O}_{4}}\]
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