MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumPrevious Year Questions

The hydrogen ion concentration of a 10M HCl aqueous solution at 298 K w K 10 is (AIPMT 2006)

A.1.0×10–6 M

B.1.0525×10–7 M✓ Correct

C.9.525×10–8 M

D.1.0×10–8 M

Explanation

Given, concentration of HCl is- 8 HCl H 10 M The [H+] due to the auto-ionization of water is 7 10 M . So total amount of 8 7 [ ] 10 10 H M 7 1 7 7 10 1 10 1.1 10 1.0525 10 x x

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