In IUPAC naming, which of the following suffixes is used for aldehydes?

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-al

-ol

-one

-oic acid

answer is A.

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Detailed Solution

Aldehyde is a class of organic compounds with a functional group "-CHO" and a suffix "-al". So our answer will be option A. Rest of the options belong to other class of organic compounds such as: "-ol" is used for the compounds which have alcohol functional group. "-one" is used for ketones and "-oic" acid is used for carboxylic acid compounds.

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