This video lecture from Aliphatic Hydrocarbons (F.Sc. second year Chemistry) covers the examples of the nomenclature of alkenes and alkynes discussed in the previous lecture. All the steps are applied in a sequence to clarify how unsaturated hydrocarbons are named according to IUPAC standards. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.