FUNCTIONAL GROUPS |
Type of compound |
Functional group |
IUPAC suffix |
Example and IUPAC name |
Alkene | double bond | -ene | CH2=CH2 ethene |
Alkyne | triple bond | -yne | H-C=C-H ethyne |
Alcohol | -OH | -ol | CH3CH2OH ethanol |
Thiol | -SH | -thiol | CH3-SH methanethiol |
Ether | -O- (between carbons) | -oxy- | CH3CH2-O-CH2CH3 ethoxy ethane |
Aldehyde | -CH=O or -CHO | -al | CH3CH2CHO propanal |
Ketone | C=O between carbons | -one | CH3CH2-CO-CH3 butanone |
Carboxylic acid | -COOH | -oic acid | CH3COOH ethanoic acid |
Ester | -COO- between carbons | -oate | CH3COO-CH3 methyl ethanoate |
Amine | -NH2 | -amine | CH3CH2NH2 ethanamine |
Amide | -CO-NH2 | -amide | CH3CH2-CO-NH2 ethanamide |