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Which ONE of the following homologous series has a CARBONYL GROUP as a functional group? A - NSC Technical Sciences - Question 1 - 2023 - Paper 2

Question 1

Which ONE of the following homologous series has a CARBONYL GROUP as a functional group? A. Haloalkanes B. Aldehyde C. Alcohols D. Ketone

Worked Solution & Example Answer:Which ONE of the following homologous series has a CARBONYL GROUP as a functional group? A - NSC Technical Sciences - Question 1 - 2023 - Paper 2

Step 1

Identify the Functional Group

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Answer

A carbonyl group, denoted as C=O, is a key functional group in organic chemistry. It is present in ketones and aldehydes. The question asks which homologous series contains this functional group.

Step 2

Evaluate the Options

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Answer

A. Haloalkanes - contain carbon and halogen, no carbonyl group. B. Aldehyde - contains a carbonyl group at the end of the carbon chain. C. Alcohols - contain -OH functional group, no carbonyl. D. Ketone - contains a carbonyl group within the carbon chain.

Since both B and D contain a carbonyl group, the correct option indicating the series that specifically has a carbonyl group is D: Ketone.

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