MCQ
$pH$ of $HCl\,({10^{ - 12}}M)$ is
- A$12$
- B$ - 12$
- ✓$ \approx 7$
- D$14$
✓
Answer
Correct option: C.
$ \approx 7$
(c) As the solution is acidic $pH < 7$. This is because $[{H^ + }]$ from ${H_2}O\,\,[{10^{ - 7}}]$ cannot be neglected in comparison to ${10^{ - 12}}\,M$.
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