Which of the following reagent on treatment with KI gives iodine ?
A. `ZnSO_4`
B. `FeSO_4`
C. `CuSO_4`
D. `NiSO_4`

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1 Answers

Correct Answer - C
`CuSO_4 + 2KI to CuI_2 + K_2SO_4`
`2CuI_2 to Cu_2I_2 +I_2`

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