Which carboxylic acid does not contain an alk | vedclass

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Question

(A) The general formula for a carboxylic acid is $R-COOH$,where $R$ is an alkyl group or a hydrogen atom.In formic acid $(HCOOH)$,the $R$ group is a h

Vedclass · Accepted Answer

Formic acid

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(A) The general formula for a carboxylic acid is $R-COOH$,where $R$ is an alkyl group or a hydrogen atom.In formic acid $(HCOOH)$,the $R$ group is a hydrogen atom $(H)$,not an alkyl group.In acetic acid $(CH_3COOH)$,the $R$ group is a methyl group $(CH_3)$,which is an alkyl group.In propionic acid $(C_2H_5COOH)$,the $R$ group is an ethyl group $(C_2H_5)$,which is an alkyl group.In butyric acid $(C_3H_7COOH)$,the $R$ group is a propyl group $(C_3H_7)$,which is an alkyl group.Therefore,formic acid is the only carboxylic acid among the options that does not contain an alkyl group.

Which carboxylic acid does not contain an alkyl group?

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