D-And F-Block Elements Ques 87

Question: KI and $ CuSO_4 $ solution when mixed, give

[CPMT 2004; UPSEAT 2004]

Options:

A) $ CuI_2+K_2SO_4 $

B) $ Cu_2I_2+K_2SO_4 $

C) $ K_2SO_4+Cu_2I_2+I_2 $

D) $ K_2SO_4+CuI_2+I_2 $

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Answer:

Correct Answer: C

Solution:

$ 2KI+CuSO_4\to \underset{Unstable}{\mathop{CuI_2}},+K_2SO_4 $

$ 2CuI_2\to Cu_2I_2+I_2 $

Hence, solution contains $ Cu_2I_2,I_2 $ and $ K_2SO_4 $ .



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