Write and interpret general formulae of compounds in the same homologous series, limited to: (a) alkanes, (C_nH_{2n+2}) (b) alkenes, (C_nH_{2n}) (c) alcohols, (C_nH_{2n+1}OH) (d) carboxylic acids, (C_nH_{2n+1}COOH)

Name and draw the displayed formulae of: (a) methane and ethane (b) ethene (c) ethanol (d) ethanoic acid (e) the products of the reactions stated in sections 11.4–11.7