This video lecture from Fundamental Principles of Organic Chemistry (F.Sc. second year Chemistry) covers how we can convert some higher alkanes found in the fractional distillation of crude oil into more useful lower alkanes, later processed into gasoline, by the phenomenon of cracking which is in essence thermal decomposition. The lecture focuses on the various ways an alkane can be split into lower alkanes and alkenes. 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.