Which of the following contains P-O-P bond (a) Hypophosphorous acid (b) Phosphorus acid (c) Pyrophosphoric acid Which of the following contains P-O-P bond (a) Hypophosphorous acid (b) Phosphorus acid (c) Pyrophosphoric acid November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,