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A salt solution reacts with some drops o...

A salt solution reacts with some drops of chloroform and the mixture is shaken with chlorine water. The chloroform layer becomes violet. Salt solution contains:

A

`NO_(2)^(-)` ion

B

`NO_(3)^(-)` ion

C

`Br^(-)` ion

D

`I^(-)` ion

Text Solution

Verified by Experts

The correct Answer is:
D
2Nal`+Cl_(2)to2NaCl+I_(2)` (Dissolves in `CHCl_(3)` to give violet colour)
Chlorine displaces iodine from salt. The iodine get dissolve in `CHCl_(3)` or `C Cl_(4)` to produce violet colour.
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