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When chlorine water is added to an aqueo...

When chlorine water is added to an aqueous solution of potassium halide in the presence of chloroform, a violet colour is obtained on adding more of chlorine water, the violet colour disappears, and a colourless solution is obtained. This test confirms the presence of the following in aqueous solution

A

chlorine

B

fluorine

C

bromine

D

iodine

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The correct Answer is:
D
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When chlorine water is added to an aqueous solution of potassium halide in the presence of chloroform, a colour is developed but on adding more of chlorine water the colour disappears, and a colourless solution is obtained.This test confirms the presence of the following in aqueous solution.

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