Question

If a solution X has a pH value of 8 and if another solution Y has a pH value of 10. Then compare the hydroxide ion concentration between them.

• A. Solution X has more hydroxide ion concetration
• B. Solution Y has more hydroxide ion concetration
• C. Both have same hydroxide ion concentration
• D. Hydroxide ion concentration does not depend on pH

Answer 1

The correct option is B Solution Y has more hydroxide ion concetration

pH is also a measure of hydroxide ion concentration in a solution. Higher the hydroxide ion concentration, higher is the pH. Bases which give rise to more hydroxide ions are more basic than the bases which give less hydroxide ions. Thus, higher the pH, higher is the basic nature of the solution.
Thus, Y has more hydroxide ion concentration than X.