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Question

An organic compound A containing C,H and O has a pleasant odour with boiling point of 78oC. On boiling A with concentrated H2SO4, a colourless gas is produced which decolourises bromine water and alkaline KMnO4. The organic liquid A is:

A
C2H5Cl
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B
C2H5COOCH3
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C
C2H5OH
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D
C2H6
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Solution

The correct option is C C2H5OH

The compound reacts with conc. H2SO4 and colorless gas formed which decolorizes bromine water and alkaline KMnO4, which suggest that product is alkene and the compound is alcohol which has a pleasant odor.

Now given boiling point of that alcohol is 78 degrees, so it definitely Ethanol. Complete reaction is given above.

So option C is the right answer.

678608_638890_ans_4eee6f52f4124234abf1e61c3c8945a4.jpg

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