CHM · CHM-2025-C45-059Chemistry
Phosphoric acid ionizes in three steps with their ionization constant values Ka1, Ka2 and Ka3, respectively, while K is the overall ionization constant. Which of the following statements are true? A. log K = log Ka1 + log Ka2 + log Ka3 B. H3PO4 is stronger acid than H2PO4⁻ and HPO4²⁻. C. Ka1 > Ka2 > Ka3 D. Ka1 = (Ka3 + Ka2)/2. Choose the correct answer from the options given below