This video lecture from Aliphatic Hydrocarbons (F.Sc. second year Chemistry) covers: How straight chain compounds with single bonds (Alkanes) are named as in IUPAC standards. The steps include the identification of the longest or the parent chain followed by its numbering. Location of children or substituents attached to the parent chain and the rules that follow for mono substituted alkanes. Examples are also discussed to clarify the concept. 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.