If a solution has a very low concentration of H⁺ , The pH in of the solution increases.
The pH is inversely proportional to the concentration of H⁺ ion. the strong acid is one which produces more H⁺ ion in the solution. the weak acid produce less concentration of H⁺ ion. if the concentration of H⁺ ion decreases the pH of the solution increases. the pH below 7 is acidic and pH above 7 is basic. the pH increase mean solution shifts to basicity.
Thus, If a solution has a very low concentration of H⁺ , The pH in of the solution increases.
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