" Acidified "KMnO_(4)" can not be decolourised by- "

Acidified KMnO_(4) can be decolourised by:

Acidified KMnO_(4) can be decolourised by (a)_____.

Acidified KMnO_(4) solution is decolourised when

Some pale-green crystals are strongly heated. The gases give off are passed into a container surrounded by ice and then through a solution of acidified KMnO_(4) . The KMnO_(4) is decolourised , solution of green coloured crystal will

Acidified KMnO_(4) is decolourized by

Pink colour of acidified KMnO_(4) is decolourised but there is no evolution of any gas.This may happen with the compound containing the following acid radical.

Pink colour of acidified KMnO_(4) is decolourised but there is no evolution of any gas.This may happen with the compound containing the following acid radical.