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When `CS_(2)` layer containing both `Br_(2) " and" I_(2) (2 : 1)` is shaken with excess of chlorine `(Cl_(2))` water, the violet colour due to `I_(2)` disappears and a pale yellow colour appears in the solution. The disappearance of violet colour and appearance of pale yellow colour is due to the formation of :
A. `I_(3^(-)) " and" Br_(2)` respectively.
B. `HIO_(3)` and BrCl respectively.
C. Icl and BrCl respectively.
D. `I^(-) " and" Br^(-)` respectively.

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Correct Answer - B
`5Cl_(2)+I_(2) +6H_(2)O to 2HIO_(3) ("colourless")+10HCl`
`Br_(2)+Cl_(2) hArr 2BrCl`(pale yellow)

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