Physics · Ionic Equilibrium
Phosphoric acid (H3PO4) is a triprotic acid with three distinct ionization constants: Ka1 = 7.5 × 10-3, Ka2 = 6.2 × 10-8, and Ka3 = 4.8 × 10-13. Consider the following statements regarding weak acids: (A) As the concentration of a weak acid increases, its degree of ionization increases. (B) Acetic acid is classified as a weak acid because its degree of ionization is relatively low at standard or higher concentrations. (C) The degree of ionization generally decreases with increasing initial concentration for weak acids. (D) The degree of ionization of acetic acid can be experimentally determined using pH or electrical conductivity measurements. Which of the statements given above are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(A) and (C) only
- 2(B) and (D) only
- 3(C) and (D) only✓
- 4(A) and (B) only
Correct answer
(C) and (D) only
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