On heating `KMnO_(4)`, one among the following is not formed:

On heating KMnO_(4) which of the following is not formed ?

An explosion takes place when conc. H_(2)SO_(4) is added to KMnO_(4) . Which of the following is formed ?

KMnO_4 on heating gives

KMnO_4 on heating gives

To an acidic solution of anion a few drops of acidified KMnO_(4) are added. Which one of the following anions , if present wil not decolourise the KMnO_(4) solutions ?

To an aq. Solution containing anions a few drops of acidified KMnO_(4) are added Which one of the following anions if present will not decolourise the KMnO_(4) solution?