MediumNEET 2025 Paper
+4 / -1
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
A
A and B only
B
A and C only
C
B, C and D only
D
A, B and C only
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