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The conductivity of a solution of concentration 0.1 ~mol L ⁻¹ of a weak monobasic acid (HA) (in Scm ⁻¹ ) is (Given _ HA ^ =400 Scm ^2 ~mol ⁻¹ and degree dissociation ( ) of HA =0.02)

Options

  1. A32 10⁻⁴
  2. B16 10⁻⁴
  3. C4 10⁻⁴
  4. D8 10⁻⁴

Correct answer

D. 8 10⁻⁴

Step-by-step solution

aligned & = _ m _ m ^ o _ m = _ m ^0 & =0.02 400=8.0 scm ^2 ~mol ⁻¹ . & Thus, K = _ m C 1000 = 8.0 0.1 1000 =8 10⁻⁴ ~s ~cm ⁻¹ . aligned

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