1.

Explain with chemical reactions three oxidising properties of KMnO_(4) in acidic medium.

Answer»

SOLUTION :(i) `2KMnO_(4)+ 8H_(2)SO_(4)+ 10FeSO_(4) to K_(2)SO_(4)+ 2MnSO_(4)+ 8H_(2)O+ 5Fe_(2)(SO_(4))_(3)`
(ii) `2KMnO_(4)+ 5SO_(2)+2H_(2)O to K_(2)SO_(4)+ 2MnSO_(4)+ 2H_(2)SO_(4)`
(iii) `2KMnO_(4)+ 3H_(2)SO_(4) + 5H_(2)C_(2)O_(4) to K_(2)SO_(4) +2MnSO_(4)+ 10CO_(2)+ 8H_(2)O`
(iv) `2KMnO_(4)+ 8H_(2)SO_(4)+ 10KI to 6K_(2)SO_(4)+ 2MnSO_(4)+ 5I_(2)+ 8H_(2)O`
(v)`2KMnO_(4)+ 3H_(2)SO_(4)+ 5H_(2)O to K_(2)SO_(4)+ 2M_(4)SO_(4)+ 8H_(2)O+ 5O_(2)`


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