Question

Third homologue of ketone

Answer 1

Explanation:

The third member of methyl ketone series is 2-pentanone; C H 3 − C O − C H 2 C H 2 C H 3 CH_{3}-CO-CH_{2}CH_2CH_3 CH3−CO−CH2CH2CH3.

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Answer 2

Answer:

pentanone

as its first member is propanone .

The ketone group has one carbonyl group lies in between two carbon atoms . Since methanone would only contain 1 carbon atom - no such compound exists, the first compound with a susbstitued ketone group is thus propanone.

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