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Question

An organic compound A of molecular formula C2H6O on oxidation with dilute alkaline KMnO4 solution gives an acid B with same number of carbon atoms. Compound A is often used for sterilisation of skin by doctors. Choose the incorrect statement among the following.

A
Compound A is ethanol
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B
Compound B is ethanoic acid
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C
Compound A is acetone
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D
Compound B is a prime component of vinegar
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Solution

The correct option is C Compound A is acetone
Compound A is ethanol which upon oxidation gives acetic acid (B).
The chemical equation involved is:
C2H5OHEthanolAAlk.KMnO4−−−−−−CH3COOHEthanoic acidB

Ethanol is generally used to disinfect skin and is a common medical alcohol.
Vinegar is an aqueous solution of acetic acid.

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