To prepare phthalic anhydride || acitivity no 01 #12chemistry #practical @a2zpractical991

This video demonstrates the laboratory preparation of phthalic anhydride from phthalic acid through the process of sublimation. The presenter guides viewers through the step-by-step experimental setup, heating process, and the collection of the final needle-shaped white crystals, providing specific tips for board exam students to maximize their marks.