A green coloured solution of a salt changes its colour to light pink on passing ozone through it. Which of the following species represent pink and green colour respectively.

Options

A. `Mn^(2+)` and `MnO_(2)`
B. `MnO_(4)^(2-)` and `MnO_(4)^(-)`
C. `MnO_(4)^(-)` and `MnO_(4)^(2-)`
D. `Cu^(+)` and `Cu^(2+)`

Answer

C

Explanation

`MnO_(4)^(-)` is pink while `MnO_(4)^(2-)` is given ,ozone oxidizes `MnO_(4)^(2-)` to `MnO_(4)^(-)`.