Chemical Engineering - Stoichiometry - Discussion

Discussion Forum : Stoichiometry - Section 7 (Q.No. 32)
32.
The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be
basic
more acidic
neutral
of the same acidity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Pawan Kumar Sharma said:   2 years ago
pH = −log[H+] = 5.9 = 6.

Thus [H+]=10^-6.
The hydrogen ion concentration is decreased by 100 times.
Thus [H+]=10^−8.
pH=−log[H+] = −log(10)^-8 = 8.

Hence, the solution will be basic.

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