MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumSelf-ionization of Water
At a certain temperature the value of pKw is 13.4 and the measured pH of solution is 7. The solution is
A.Acidic
B.Basic✓ Correct
C.Neutral
D.Unpredictable
Explanation
w pK = 13.4 that means, pH + pOH = 13.4 Thus, pH of pure water is 6.7. If measured pH of the solution is 7 then solution is basic.
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