1.

KMnO_(4) (acidic / alkaline ) is not decolurised by

Answer»

MOHR salt
oxalic acid
BENZENE
PROPENE

Solution :Benzene does not decolourise `KMnO_(4)` (acidic/alkaline) It is due to the delocalization of `pi` - electron in benzene. Mohr.s salt and oxalic and give redox reaction with `KMnO_(4)` . Propene decolorise `KMnO_(4)` due to PRESENCE of `C=C` bond.


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