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Arrhenius Acid

When CS2 la...

Question

When $C S_{2}$ layer containing both $B r_{2}$ and $l_{2}$ is shaken with excess of $C l_{2}$ water, the violet colour due to $l_{2}$ disappears and orange colour due to $B r_{2}$ appears. The disappearance of violet colour is due to the formation of :

A

I_{3}^{-}

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B

H I O_{3}

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C

I C l_{2}

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D

I^{-}

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Solution

The correct option is B $H I O_{3}$
The violet colour disappears because iodine is oxidized to $H I O_{3}$ . $I_{2} + 5 C l_{2} + 6 H_{2} O ⇌ 2 H I O_{3} + 10 H C l$

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