1What is a homologous series? Explain with an example.
2Why do neighbouring members of a homologous series differ in molecular weight by 14?
3What is an alkyl radical? Write its general formula and two examples.
4What is a functional group? Give three examples.
5What is the full form of IUPAC, and why was this system set up?
6Write the steps for naming a hydrocarbon, with an example.
7Name these compounds: \( \mathrm{CH_2=CH_2} \), \( \mathrm{CH_3-CH_2-CH_3} \), \( \mathrm{HC \equiv CH} \), \( \mathrm{CH_3-CH=CH_2} \).
8Work out the molecular formulas of butane and propyne from their names.
9Why is there no compound called methene?