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JIPMER 2007
Exam
JIPMER
Year
2007
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

JIPMER 2007 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The correct order of acid strength is

The correct order of acid strength is

Options

  1. AHClO<HClO2<HClO3<HClO4\mathrm{HClO} \lt \mathrm{HClO}_2 \lt \mathrm{HClO}_3 \lt \mathrm{HClO}_4
  2. BHClO4<HClO<HClO2<HClO3\mathrm{HClO}_4 \lt \mathrm{HClO} \lt \mathrm{HClO}_2 \lt \mathrm{HClO}_3
  3. CHClO2<HClO3<HClO4<HClO\mathrm{HClO}_2 \lt \mathrm{HClO}_3 \lt \mathrm{HClO}_4 \lt \mathrm{HClO}
  4. DHClO4<HClO3<HClO2<HClO\mathrm{HClO}_4 \lt \mathrm{HClO}_3 \lt \mathrm{HClO}_2 \lt \mathrm{HClO}

Correct answer

A. HClO<HClO2<HClO3<HClO4\mathrm{HClO} \lt \mathrm{HClO}_2 \lt \mathrm{HClO}_3 \lt \mathrm{HClO}_4

Step-by-step solution

Correct order of acid strength HClO+1<HClO2+3<HClO3+5<HClO4+7\underset{+1}{\mathrm{HClO}} \lt \underset{+3}{\mathrm{HClO}_2} \lt \underset{+5}{\mathrm{HClO}_3} \lt \underset{+7}{\mathrm{HClO}_4} Acid strength ∝\propto oxidation number.
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