Who is the first member of the ketone series?

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Solution

Ketone
In ketones, the carbonyl group is bonded to two carbon atoms.
The general formula of the ketone is $R (CO) R'$ .
Here, $R$ and $R^{'}$ may be the same or different groups.
First member of the ketone series
The first member of the ketone series is $2 - propanone$ .
The formula of $2 - propanone$ is $H_{3} C - CO - {CH}_{3}$ .
This is also known as acetone.
The structure of $2 - propanone$ is as follows:-

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