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


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