Q. A white precipitate is formed on adding KI to ${CuSO}_{4}$ solution. It is of
A) ${Cu}_{2}I_{2}$
B) ${CuI}_{2}$
C) ${Cu}_{2}S$
D) ${Cu}_{2}{SO}_{4}$
Explanation
(a)
A white precipitate of cuprous iodide is formed on adding KI to ${CuSO}_{4}$ solution.
$2{CuSO}_{4} + 4KI\ \longrightarrow 2CuI + I_{2}$
white ppt.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.