Q. Iodine is formed when potassium iodide reacts with a solution of
A) $ZnSO_{4}$
B) $CuSO_{4}$
C) $\left( NH_{4} \right)_{2}SO_{4}$
D) $Na_{2}SO_{4}$
Explanation
(b)
$CuSO_{4} + 2KI \rightarrow CuI_{2} + K_{2}SO_{4}$
$2CuI_{2} \rightarrow 2CuI + \ I_{2}$
Cuprous iodide
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.