1.

An organic compound A containing C, H and O has a pleasant odour with boiling point of 78^(@)C On boiling A with concentrated H_(2)SO_(4), a colourless gas is produced which decolourises bromine water and alkaline KMnO_(4). The organic liquid A is

Answer»

`C_(2)H_(5)CI`
`C_(2)H_(5)COOCH_(5)`
`C_(2)H_(5) OH`
`C_(2)H_(6)`

Solution :The organic LIQUID A is `C_(2)H_(5)OH`
(i) Ethyl alcohol is a colourless liquid with a CHARACTERISTIC PLEASANT smell, having boiling point `78.1^(@)C`
(ii) `C_(2)H_(2)OHoverset(concH_(2)SO_(4))tounderset("which decolourises Br, water and alkaline (KMnO_(4))")underset(darr)(CH_(2)=CH_(2))`


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