Identify the compounds which are reduced and oxidised in the following reaction:
`3N_(2)H_(4)+2BrO_(3)^(-)rarr3N_(2)+2Br^(-)+6H_(2)O`

Options

A. `N_(2)H_(4)` is oxidised and `BrO_(3)^(-)` is reduced.
B. `BrO_(3)^(-)` is oxidised and `N_(2)H_(3)` is reduced.
C. `BrO_(3)^(-)` is both reduced and oxidised.
D. This is not a redox reaction.

Answer

A

Explanation

`3overset(-2)N_(2)H_(4)+2overset(+5)BrO_(3)^(-)rarr3overset(0)N_(2)+overset(-1)(2B)r^(-)+6H_(2)O`