1.

Which decolourises the colour of acidic KMnO_(4)

Answer»

`CH_(3)COOH`
`CH_(3)CH_(2)COOH`
`COOH.COOH`
`CH_(3)COOC_(2)H_(5)`

Solution :`{:(,COOH),(,"|"),(,COOH):}+KMnO_(4)+H_(2)SO_(4)to2CO_(2)+H_(2)O+K_(2)SO_(4)+MnSO_(4)`


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