1.

A liquid (A) is treated with Na_(2) CO_(3) solution. A mixture of two salts (B ) and ( C ) are product in the solution. The mixture on acidification with sulphuric acid and distillation produces the liquid (A ) again. Which of the following Halogen molecule can have Reddish brown colour ?

Answer»

`F_(2)`
`Br_(2)`
`Cl_(2)`
`I_(2)`

Solution :Halogen molecule can have reddish brown COLOUR is `Br_(2)`.
`underset("(X)")(CaOCl_(2))+ 2KI + 2HCl RARR CaCl_(2) + 2KCl + H_(2) O +I_(2)`
`CaOCl_(2) + 2KI + 2HCl rarr CaCl_(2) + 2KCl + H_(2) O + I_(2) , CaOCl_(2) + CO_(2) rarr CaCO_(3) + Cl_(2)`


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