Do basic solutions also have H+ (aq) ions? If yes, then why are these basic?
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Do basic solutions also have H+ (aq) ions? If yes, then why are these basic?
Yes, even basic solutions contain some H+ (aq) ions, but the concentration of H+ (aq) ions in basic solutions is relatively low.
Basic solutions have a higher concentration of OH- (aq) ions than H+ (aq) ions. This excess of OH- (aq) ions is what makes the solution basic. When a base dissolves in water, it releases OH- (aq) ions into the solution. These OH- (aq) ions then react with the H+ (aq) ions in the solution, effectively removing them and reducing the overall concentration of H+ (aq) ions in the solution.
The pH scale is a logarithmic scale, which means that a small change in the concentration of H+ (aq) ions can result in a large change in pH. Thus, even a relatively small reduction in the concentration of H+ (aq) ions can cause the pH of the solution to shift from acidic to basic.