A salt mixture contains anions `A^(-) & B^(-)` . To the sodium carbonate extract of the mixture & dil. HCl. Two drops of chlorine water and 2-3 ml of chloroform are added and the mixture shaken. A violet colour is produced. The addition of chlorine water is continued till the violet colour disappears and a reddish brown colour appears. The anions are

Options

A. `I^(-) & Br`
B. `Br^(-) & I^(-)`
C. `I^(-) & Cl^(-)`
D. `Cl^(-) & I^(-)`

Answer

A

Explanation

The test is used to identify `Br^(-)` and `I^(-)` when present together.