When CS2 layer containing both Br2 and l2 is shaken with excess of Cl2 water, the violet colour due to l2 disappears and orange colour due to Br2 appears. The disappearance of violet colour is due to the formation of :
A
I−3
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B
HIO3
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C
ICl2
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D
I−
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Solution
The correct option is BHIO3 The violet colour disappears because iodine is oxidized to HIO3. I2+5Cl2+6H2O⇌2HIO3+10HCl