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6.2. Equilibrium - II (icon Equilibrium) — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry6.2. Equilibrium - II (icon Equilibrium)1 Mark
MCQ
Which among the following is strongest acid
  • A
    $H(ClO)O_2$
  • ✓
    $H(ClO)O_3$
  • C
    $H(ClO)O$
  • D
    $H(ClO)$
✓

Answer

Correct option: B.
$H(ClO)O_3$
(b)For oxoacids of the same element, the acidic strength increases with increase in the oxidation number of that element.
$\mathop {HClO}\limits^{ + 1} < \mathop {HCl{O_2}}\limits^{ + 3} < \mathop {HCl{O_3}}\limits^{ + 5} < \mathop {HCl{O_4}}\limits^{ + 7} $

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