1.

A salt solution is treated with chloroform drops. Then it is shaken with chlorine water. Chloroform layer becomes violet, solution contains.

Answer»

`NO_(3)^(-)` ION <BR>`NO_(2)^(-)` ion
`Br^(-)` ion
`I^(-)` ion

Solution :`2NaI+Cl_(2)to underset("in " CHCl_(3) " LAYER")underset("Violet COLOUR")(I_(2))`


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