How many compounds shown below contain both an ester group and an aldehyde group ?
(1) (2) (3) (4)
(5) (6) (7)
(8) (9) (10)

Question

How many compounds shown below contain both an ester group and an aldehyde group ? (1) (2) (3) (4) (5) (6) (7) (8) (9) (10)

TestHub · Accepted Answer

Groups present: (1) ester, aldehyde; (2) ester, ketone; (3) ketone, aldehyde; (4) ester, ketone; (5) aldehyde, ester (lactone); (6) ketone, carboxylic acid; (7) ether, aldehyde; (8) ester, aldehyde; (9) ketone, aldehyde, alkene; (10) alcohol, ester.

Ester and aldehyde together: (1), (5), (8) = 3.

Chemistry - Nomenclature Question with Solution | TestHub

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