In the chemical change aN_(2)H_(4)+bBrO_(3)^(-)toaN_(2)+bBr^(-)+6H_(2)O, answer the following questions: The element oxidised and reduced in the reaction are respectively:

In the chemical change aN_(2)H_(4)+bBrO_(3)^(-)toaN_(2)+bBr^(-)+6H_(2)

1.	In the chemical change aN_(2)H_(4)+bBrO_(3)^(-)toaN_(2)+bBr^(-)+6H_(2)O, answer the following questions: The element oxidised and reduced in the reaction are respectively:
Answer» `N_(2)H_(4),BrO_(3)^(-)` <BR>N,Br H,Br `BrO_(3)^(-),N_(2)H_(4)` Solution :`(N^(2-))_2 rarrN_2^(0)+4E` `Br^(5+)+6erarrBr`