Question

Write the balanced chemical equation for the following reaction

Copper sulphate on treatment with potassium iodide precipitates cuprous iodide (Cu₂I₂), liberates iodine gas and also forms potassium sulphate.

Answer 1

${\displaystyle 2{\text{CuSO}}_4\left(\text{s}\right)+4\text{Kl}\left(\text{aq}\right)\to {\text{Cu}}_2{\text{l}}_2\left(\text{s}\right)+2{\text{K}}_2{\text{SO}}_4+{\text{l}}_2\left(\text{g}\right) }$