P-Block Elements Ques 110

Question: Iodine is formed when potassium iodide reacts with a solution of

[MNR 1984; MP PET/PMT 1998]

Options:

A) $ ZnSO_4 $

B) $ CuSO_4 $

C) $ {{(NH_4)}_2}SO_4 $

D) $ Na_2SO_4 $

Show Answer

Answer:

Correct Answer: B

Solution:

$ CuSO_4+2KI\to CuI_2+K_2SO_4 $ $ 2CuI_2\to \underset{\text{Cuprous iodide}}{\mathop{2CuI+I_2}} $



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