This video lecture from Chemical Bonding (F.Sc. First Year Chemistry) covers the concept of intermixing of one s and two p orbitals to form SP2 hybridization along with the detailed example of Boron Trifluoride and Ethene and how double bond is formed in case of ethene. 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.