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NEET 2016
Exam
NEET
Year
2016
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

NEET 2016 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Among the following, the correct order of acidity is:

Among the following, the correct order of acidity is:Among the following, the correct order of acidity is:

Options

  1. AHClO3<HClO4<HClO2<HClOHCl{O}_{3} < HCl{O}_{4} < HCl{O}_{2} < HClO
  2. BHClO<HClO2<HClO3<HClO4HClO < HCl{O}_{2} < HCl{O}_{3} < HCl{O}_{4}
  3. CHClO2<HClO<HClO3<HClO4HCl{O}_{2} < HClO < HCl{O}_{3} < HCl{O}_{4}
  4. DHClO4<HClO2<HClO<HClO3HCl{O}_{4} < HCl{O}_{2} < HClO < HCl{O}_{3}

Correct answer

B. HClO<HClO2<HClO3<HClO4HClO < HCl{O}_{2} < HCl{O}_{3} < HCl{O}_{4}

Step-by-step solution

Acidic strength ∝∝ stability of conjugate base (Anion)

stability of conjugate base ∝∝ less charge density ∝∝ more charge delocalisation∝∝ resonating structure

Among the following, the correct order of acidity is:

Oxidation state of chlorine ∝∝ Acidity of Oxo Acid.

HClO<HClO2<HClO3<HClO4HClO < HCl{O}_{2} < HCl{O}_{3} < HCl{O}_{4} is the correct increasing order.
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