alleryStart learning →As the pH of a solution rises from 7 towards 14, the concentration of hydronium ions
Aincreases
Bstays same
Cdecreases
Dfluctuates
Answer & Solution
Correct answer: C. decreases
1. A higher pH means a more basic solution.
2. Basic solutions have more OH- and fewer H3O+ ions.
3. So from 7 up to 14 the hydronium ion concentration steadily decreases.
_Source: AP/TS SCERT Class 10 Physical Science, "Acids, Bases and Salts"_
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