Chemistry · Equilibrium
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 a stronger acid than H2PO4− and HPO42−. C. Ka1 > Ka2 > Ka3 D. Ka = (Ka3 + Ka2)/2
- 1A, B and C only✓
- 2B, C and D only
- 3A and C only
- 4A and B only
Correct answer
A, B and C only
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