This video lecture from Chemical Bonding (F.Sc. First Year Chemistry) covers the concept of intermixing of one s and one p orbital to give sp hybridized orbitals and the detailed examples of Beryllium dichloride and ethyne is discussed. The triple bond in ethyne molecule is explained with the help of the sp hybridization 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.