This video lecture from Carboxylic Acids (F.Sc. second year Chemistry) covers the reactions of carboxylic acids in which the hydroxyl group is involved. Carboxylic acids react with ammonia forming acid amide and water. Phosphorous pentaoxide dehydrates carboxylic acids resulting in the formation of acid anhydrides. 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.