1. Functional groups. Alkanols Functional group is called……………………….. General formula is ………………… First member of homologous series is called ………………………………… Formula of the first member of the homologous series ……………………….. The structural formula of first member of the alkanols is hydroxyl C n H 2n+1 OH methanol CH 3 OH Alkanals Functional group is called……………………….. General formula is ………………… First member of homologous series is called ………………………………… Formula of the first member of the homologous series ……………………….. The structural formula of first member of the alkanals is carbonyl C n H 2n O methanal CH 2 O

2. Alkanones Functional group is called……………………….. General formula is ………………… First member of homologous series is called ………………………………… Formula of the first member of the homologous series ……………………….. The structural formula of first member of the alkanones is carbonyl C n H 2n O propanone C3H6OC3H6O Alkanonoic acids (carboxlic acids) Functional group is called……………………….. General formula is ………………… First member of homologous series is called ………………………………… Formula of the first member of the homologous series ……………………….. The structural formula of first member of the alkanoic acids is carboxyl C n H 2n+1 COOH methanoic acid HCOOH

3. Amines Functional group is called……………………….. General formula is ………………… First member of homologous series is called ………………………………… Formula of the first member of the homologous series ……………………….. The structural formula of first member of the amines is amino group C n H 2n+1 NH 2 aminomethane CH 3 NH 2 Examples for practice. Name ……………………………….. propanal Name …………………………….. butanoic acid Name ………………………….. ethanol