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Question

(a) What is the general name of the organic compounds containing the Figure group?
(b) Which of the following compounds contains a carboxylic acid group?
CH3OH, CH3COOH, CH3CHO, CH3COCH3
(c) How would you name the following compound?
Figure

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Solution

(a) The general name for the organic compounds comprising -CO- is ketones.

(b) CH3COOH is the compound which contains a carboxylic acid group (-COOH).

(c) The name of the compound is methanal, as the structure contains one carbon atom and an aldehyde group (-CHO), which is indicated by using 'al' as the suffix. Hence, replacing the last letter 'e' of methane with 'al' we get the name methanal.

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