There are two functional groups:
1. Carboxyl group
2. Ester group
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carboxylic acid functional group (R-COOH)
ester functional group (R-O-CO-R')
aromatic group (benzene ring)
Aspirin contains an acetyl functional group (-COCH3) which is attached to a benzene ring. This acetyl group is responsible for the anti-inflammatory properties of aspirin.
Neither. Aspirin, acetyl salicylic acid, is a structure containing benzene, carboxylic acid, and ester functional groups, but it does not contain nitrogen at all, let alone eitehr an amine or amide.
Salicylic acid is more polar than aspirin because it has a higher solubility in water due to the presence of a hydroxyl group that enhances its polarity. Aspirin, on the other hand, has an ester functional group, which reduces its overall polarity compared to salicylic acid.
Functional groups are responsible for chemical reactions of molecules.
No, -CH3 is not a functional group. It is a methyl group, which is a common substituent in organic chemistry but not a functional group by itself.