<b>(a)</b> Give the general name of the class of compounds having the general formula C<sub>n</sub>H<sub>2n-2</sub> Write the name of the first member of this homologous series.<b>(b) </b>The general formula of a homologous series of carbon compounds is C<sub>n</sub>H<sub>2n</sub>. Write the molecular formula of the second and fourth members of the series.<br> <b>(c)</b> Write the molecular formulae of the third and fifth members of homologous series of carbon compounds represented by the general formula C<sub>n</sub>H<sub>2n+2</sub>.