1.

In the reaction :3Br_(2)+6CO_(3)^(2-)+3H_(2)Oto5Br^(-)+BrO_(3)^(-)+6HCO_(3)^(-)

Answer»

`Br_(2)`is oxidised and carbonate is reduced.<BR>Bromine is reduced and water is oxidised.
Bromine is neither reduced nor oxidised
Bromine is both reduced and oxidised.

Solution :The O.N of bromine decreases from 0 to -1 (in `Br^(-)` and INCREASES from 0 to +5 (in `BrO_(3)^(-))`.


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