Question

`I^(-)` can be detected by violet colour in `CS_(2)` layer obtained on adding chlorine water. However, on adding excess of `Cl_2` , the violet colour disappears. It is due to
A. the formation of interhalogen compound Icl
B. removal of `I_(2)` from `CS_(2)` layer by `Cl_2`
C. precipitation of `I_(2)` from solution
D. none of these

Answer 1

`underset(CS_(2) "layer")underset("Violet in")(I_(2))+Cl_(2) to underset("Colourless")(2ICl)`