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When Cl(2) water is added to a salt solu...

When `Cl_(2)` water is added to a salt solution containing chloroform, chloroform layer turns violet. Salt contains

A

`Cl^(-)`

B

`I^(-)`

C

`NO_(3)^(-)`

D

`S^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
B
As `Cl^(-)` is more electronegative than `Br^(-)` and `I^(-)`
`therefore` it replaces them from their salt as
`2I^(-) + Cl_(2) to I_(2) + 2Cl^(-)`
`2Br^(-) + Cl_(2) to Br_(2) + 2Cl^(-) rArr ` Brown vapor
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