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NEET2011ChemistryChemical EquilibriumActual

For the reaction, ( N ₂( ~g )+ O ₂( ~g ) 2 NO ( g ) ), the equilibrium constant is ( K ₁ ). The equilibrium constant is ( K ₂ ) for (2 NO ( g )+ O ₂( ~g ) 2 NO ₂( ~g ) ). What is K for the reaction ( NO ₂( ~g ) 1 2 ~N ₂( ~g )+ O ₂( ~g ) ? )

Options

  1. A( 1 (K₁ K₂ ) )
  2. B( 1 (2 K₁ K₂ ) )
  3. C( 1 (4 K₁ K₂ ) )
  4. D( ( 1 K₁ K₂ )^ 1 / 2 )

Correct answer

B. ( 1 (2 K₁ K₂ ) )

Step-by-step solution

aligned & N ₂(g)+ O ₂(g) 2 NO (g) ; K₁ & 2 NO (g)+ O ₂(g) 2 NO ₂(g) ; K₂ ~N ₂(g)+2 O ₂(g) 2 NO ₂(g) ; K=K₁ K₂ & For NO ₂(g) 1 2 ~N ₂(g)+ O ₂(g) ; & K^ = [ 1 K₁ K₂ ]^ 1 / 2 aligned

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