Q. 354.8( 5 Votes )

Name the functional groups present in the following compounds:

(a) CH3CO CH2CH2CH2CH3

(b) CH3CH2CH2 COOH

(c) CH3CH2CH2CH2CHO

(d) CH3CH2OH

Answer :

(a) CH3COCH2CH2CH2CH3 (Ketone); Functional group: carbonyl, C=O.


(b) CH3CH2CH2COOH (Carboxylic acid); Functional group: carbonyl –C=O) + the hydroxyl –OH) = carboxyl.


(c) CH3CH2CH2CH2CHO (Aldehyde); Functional group: carbonyl, −CHO. (i.e., an oxygen atom is attached to a carbon atom by a double covalent bond and a hydrogen atom is attached to the carbon atom )


(d) CH3CH2OH (Alcohol); Functional group: hydroxyl functional group (–OH)


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