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Manipal MET2014ChemistryIonic Equilibrium

Strongest conjugate base is

Options

  1. AClO ⁻
  2. BClO ₂⁻
  3. CClO ₃ ⁻
  4. DClO ₄⁻

Correct answer

A. ClO ⁻

Step-by-step solution

If acid is weak, its conjugate base is strong. Greater the oxidation number of Cl , stronger the acid and thus, weaker the conjugate base. aligned & HClO HClO ₂ HClO ₃ HClO ₄ aligned Oxidation number of Cl and acid strength increases ClO ⁻ ClO ₂⁻ ClO ₃⁻ ClO ₄⁻ Conjugate base strength increases. Hence, ClO ⁻ is the strongest base.

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