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JEE Main2012ChemistryChemical EquilibriumActual

The equilibrium constant ( K _ c ) for the reaction N ₂( g )+ O ₂( ~g ) 2 NO ( g ) at temperature T is 4 10⁻⁴ . The value of K _ c for the reaction, NO ( g ) 1 / 2 ~N ₂( g )+ 1 / 2 ~O ₂( g ) at the same temperature is :

Options

  1. A0.02
  2. B2.5 10^2
  3. C4 10⁻⁴
  4. D50.0

Correct answer

D. 50.0

Step-by-step solution

array ll N ₂+ O ₂ 2 NO & K _ C =4 10⁻⁴ NO 1 2 ~N ₂+ 1 2 O ₂ & ~K _ C ^1= 1 ~K _ C K _ C ^1= 1 4 10⁻⁴ =50 & array

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