Study Edge UF – Functional Groups

Alcohol
General abbreviation: ROH

Classified as 1˚, 2˚, or 3˚

Ether
Ether
General abbreviation: ROR

Alkyl Halide
Alkyl Halide
General abbreviation: RX (X = F, Cl, Br, I)

Classified as 1˚, 2˚, or 3˚

Amine
Amine
General abbreviation: RNH₂, R₂NH, R₃N (NH₃ = ammonia)

Classified as 1˚, 2˚, or 3˚, 4˚ (amine salt)

Aldehyde
Aldehyde
General abbreviation: RCHO (HCHO = formaldehyde)

Ketone
Ketone
General abbreviation: RCOR

Carboxylic acid
Carboxylic acid
General abbreviation: RCOOH or RCO₂H (HCOOH = formic acid)

Carboxylic ester
(Ester)
Carboxylic ester
(Ester)
General abbreviation: RCOOR or RCO₂R

Carboxylic amide
(Amide)
Carboxylic amide
(Amide)
General abbreviation: RCONH₂, RCONHR, RCONR₂

Alkene
Alkene
A carbon-carbon double bond

Alkyne
Alkyne
A carbon-carbon triple bond

Arene
Arene
Aromatic compounds (like benzene)

Thiol
Thiol
General abbreviation: RSH

Sulfide
Sulfide
General abbreviation: RSR