19
QuizMultiple Choice

Acid-Base Reactions — Test

Question 19 • Chemistry

Which description correctly characterizes the acidity or basicity of a solution?

Answer
A
The higher the pH is, the more the hydroxide ion concentration increases and the more basic the solution becomes.
B
The higher the pH is, the more the hydroxide ion concentration decreases and the more acidic the solution becomes.
C
The lower the pH is, the more the hydronium ion concentration decreases and the more acidic the solution becomes.
D
The lower the pH is, the more the hydronium ion concentration increases and the more basic the solution becomes.

Explanation

As pH increases, the hydronium ion concentration decreases and the hydroxide ion concentration increases. A higher hydroxide concentration makes the solution more basic, so the correct description is “the higher the pH is, the more the hydroxide ion concentration increases and the more basic the solution becomes.”

AI-written and checked against the verified answer.

Previous
Next