Iodine is formed when potassium iodide reacts with:

$Z n S O_{4}$

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$C u S O_{4}$

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$C l_{2}$

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$B r_{2}$

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Solution

The correct options are
B
$C u S O_{4}$

C
$C l_{2}$

D
$B r_{2}$

$2 C u S O_{4} + 4 K I ⟶ 2 C u I + I_{2} + 2 K_{2} S O_{4}$

$2 K I + C l_{2} ⟶ 2 K C l + I_{2}$

$2 K I + B r_{2} ⟶ 2 K B r + I_{2}$

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