MCQ
It is found that at $25\,^oC\, 0.1\,M$ solution of four sodium salts $NaA, NaB, NaC$ and $NaD$ have the $pH$ values $7, 9, 10, 11 $ respectively. Which one of the corresponding acids is strongest ?
- A$HB$
- ✓$HA$
- C$HC$
- D$HD$
✓
Answer
Correct option: B.
$HA$
b
Aqueous solution of a salt which is obtained from strong acid and strong base is neutral. Hence $HA$ is strong acid in among other acids.
Aqueous solution of a salt which is obtained from strong acid and strong base is neutral. Hence $HA$ is strong acid in among other acids.
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