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Forum Question BankThe pH of 0.5 M aqueous solution of HF (Ka = 2 …

MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumSelf-ionization of Water

The pH of 0.5 M aqueous solution of HF (Ka = 2 × 10–4) is

A.2✓ Correct

B.4

C.6

D.10

Explanation

From the given conditions, we know that- 2 2 2 2 2 a 2 10 [H ] C 0.5 2 10 10 pH log[ ] pH log10

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