Answer
a) Ketone ($-CO-$), alcohol ($-OH$)
b) Ether ($-O-$), alcohol ($-OH$), & aldehyde ($-CHO$)
c) Amine ($-NH_{2}$), carboxylic acid ($-COOH$), amide ($-CONH-$), & ester ($-COO-R$)
Work Step by Step
See the structure above where the functional groups are marked out with dotted circle.
a) Functional groups present here are: Ketone ($-CO-$) , Alcohol ($-OH$)
b) Functional groups present here are: ether ($-O-$), Alcohol ($-OH$), & Aldehyde ($-CHO$)
c) Functional groups present here are: Amine ($-NH_{2}$), Carboxylic acid ($-COOH$), Amide ($-CONH-$), & Ester ($-COO-R$)
