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Iodine is formed when potassium iodi9de ...

Iodine is formed when potassium iodi9de reacts with a solution of

A

`ZnSO_4`

B

`CuSO_4`

C

`FeSO_4`

D

`(NH_4)_2SO_4`

Text Solution

Verified by Experts

The correct Answer is:
C
`2 CuSO_4 + 4KI to Cu_2I_2 + I_2 + 2 K_2SO_4`
`I^-` reduced `Cu^(2+)` to `Cu^+` and itself gets oxidised to `I_2`
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