MCQ
Which one is the weakest acid
- ✓$HN{O_3}$
- B$HCl{O_4}$
- C${H_2}S{O_4}$
- D$HBr$
✓
Answer
Correct option: A.
$HN{O_3}$
(a)$\mathop {HCl{O_4} > {H_2}S{O_4} > HBr > HN{O_3}}\limits_{{\rm{Acidic\, character \,decreases }}} $.
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