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Reaction with Metals

When a CS 2 l...

Question

When a $C S_{2}$ layer containing Bromine and Iodine is shaken with excess of chlorine water, the violet colour due to iodine disappears and orange colour of bromine 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 $H I O_{3}$
$5 C l_{2} + I_{2} + 6 H_{2} O ⟶ 2 H I O_{3} + 10 H C l$

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C S_{2}

layer containing both

B r_{2}

l_{2}

is shaken with excess of

C l_{2}

water, the violet colour due to

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disappears and orange colour due to

B r_{2}

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C S_{2}

layer containing both

B r_{2}

I_{2}

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C l_{2}

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disappears and a pale yellow color appears in the solution. The disappearance of violet color and appearance of pale yellow color is due to the formation of :

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