Between solutions with pH 8 and pH 12, which one is more basic?
Answer and explanation
Correct answer: The solution with pH 12
A solution with pH above 7 is basic, and basicity increases as the pH value rises. Both pH 8 and pH 12 are basic, but 12 is higher than 8, so the pH 12 solution is more basic. The difference also corresponds to a much lower hydrogen-ion concentration at pH 12. Therefore option A is correct; options C and D misclassify both solutions.
Frequently asked questions
What is the correct answer to this question?
The solution with pH 12
Why is this the correct answer?
A solution with pH above 7 is basic, and basicity increases as the pH value rises. Both pH 8 and pH 12 are basic, but 12 is higher than 8, so the pH 12 solution is more basic. The difference also corresponds to a much lower hydrogen-ion concentration at pH 12. Therefore option A is correct; options C and D misclassify both solutions.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.