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The standard e.m.f of a cell, involving one electron change is found to be 0.591 ~V at 25^ C . The equilibrium constant of the reaction is ( F =96,500 C mol ⁻¹: R =8.314 JK ⁻¹ ~mol ⁻¹ )

Options

  1. A1.0 10^1
  2. B1.0 10³⁰
  3. C1.0 10¹⁰
  4. D1.0 10^5

Correct answer

C. 1.0 10¹⁰

Step-by-step solution

K _ eq = nE ^ 0.0591 = 1 0.591 0.0591 K _ eq =10¹⁰

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