Class (functional group) Generic formula Alcohol R Alkyl halide fluoride chloride bromide iodide R Example Example name OH CH3CH2CH2OH propanol X CH3CH2CH2Br propyl bromide CH3CH2CH2NH2 propanamine X = F, Cl, Br, I R Amine NH2 O O Epoxide oxirane R R R H2C R O Ether R R R Nitrile C R Nitroalkane CH2 N NO2 CH3CH2CH2OCH2CH2CH3 dipropyl ether CH3CH2CH2CN butanenitrile CH3CH2CH2NO2 nitropropane CH3CH2CH2SCH2CH2CH3 dipropyl sulfide CH3CH2CH2SH propanethiol S Sulfide R R Thiol R SH O O propanal Aldehyde R CH3CH2CH H O O 3-pentanone Ketone R CH3CH2CCH2CH3 R O O Carboxylic acid R CH3CH2COH OH O Acyl halide O R X O O CH3CH2CCl O R O CH3CH2COCCH2CH3 R CH3CH2COCH3 O O methyl propanoate O Amide R R propanoic anhydride O Ester R propanoyl chloride O O Acid anhydride R propanoic acid N H CH3CH2CN(CH3)2 N,N-dimethylpropanamide