1.

Salt A overset("Layer test") to If reddish brownlayer come first , then

Answer»

`BR^(Θ)` PRESENT
`Br^(Θ)` absent
`CI^(Θ)` present
`I^(Θ)` present

Solution :`2Br^(Theta) overset(CI_(2))underset(water) to Br_(2)`: `C CI`layer BECOMES red or reddish brown
`I^(Theta)`ion is oxidised preferably COMPOUND to `Br^(Theta)`,Hence
`I^(Theta)` ID absent



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