This video lecture from Alcohols, Phenols and Ethers (F.Sc. second year Chemistry) covers an introduction to Phenolic compounds. It also covers preparation techniques of phenol, the simplest of this family, from Chlorobenzene (Dow’s method), and from sodium salt of benzene sulphonic acid. 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.