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Pinacolone is

1. 2, 3-Dimethyl-2, 3-butanediol
2. 3, 3-Dimethyl-2-butanone
3. 1-Phenyl-2-Propanone
4. 1,1-Diphenyl-2-ethandiol

Correct answer: 3, 3-Dimethyl-2-butanone

Solution

Pinacolone is the common name for 3,3-dimethyl-2-butanone, a ketone derived from the rearrangement of pinacol (a diol).

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