Chapter 2: Acids, Bases and Salts

Q&A -Ask Doubts and Get Answers

Q
Chemical reactions-6

Question:

A solution turns red litmus blue, its pH is likely to be

(a) 1

(b) 4

(c) 5

(d) 10

Answer:

The pH is defined as a scale which is used to measure the concentration of hydrogen ion present in the solution. The value of pH lies from 0 to 14. The pH below 7 stands for an acidic solution and above 7 stands for a basic solution. The pH at 7 stands for a neutral solution. The given solution turns red litmus blue. This indicates that the given solution is a base. So, the pH of the solution should be greater than 7.

Therefore, the correct answer is (d) 10.


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