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NTA Abhyas JEE Main2020ChemistryIonic EquilibriumPractice

The dissociation constant of acetic acid is 1.6 × 1 0 - 5 . The degree of dissociation of 0.01 M acetic acid in the presence of 0.1 M HCl is equal to

Options

  1. A0.16
  2. B0.016
  3. C0.4
  4. D0.04

Correct answer

D. 0.04

Step-by-step solution

For weak acid: α = Ka C α = 1 .6 × 10 − 5 10 − 2 α = 4 × 10 − 2

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