Question

Which of the following is TRUE? a) A neutral solution contains [H2O] = [H3O⁺] b) A neutral solution does not contain any H3O+ or OH- c) An acidic solution has [H3O⁺] > [OH⁻] d) A basic solution does not contain H3O+ e) None of the above are true.

Answer 1

An acidic solution has $[H_3O^+]$ > $[OH^-]$

Explanation:

pH is the negative logarithm of hydronium ion concentration present in a solution.

If the solution has high hydrogen ion concentration, then the pH will be low and the solution will be acidic. The pH range of acidic solution is 0 to 6.9. The solution has more $[H_3O^+]$ than $[OH^-]$

If the solution has low hydrogen ion concentration, then the pH will be high and the solution will be basic. The pH range of basic solution is 7.1 to 14. The solution has more $[OH^-]$  than $[H_3O^+]$

The solution having pH equal to 7 is termed as neutral solution.The solution has equal concentration of $[H_3O^+]$ and $[OH^-]$

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