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NEET2012ChemistryChemical EquilibriumActual

At 60^ and 1 ~atm , ~N ₂ O ₄ is 50 % dissociated into NO ₂ then K_p is

Options

  1. A1.33 ~atm
  2. B2 ~atm
  3. C2.67 ~atm
  4. D3 ~atm

Correct answer

B. 2 ~atm

Step-by-step solution

N ₂ O ₄ 2 NO ₂ array lcc Initially & 1 & 0 At equilibrium & 1- & 2 array N ₂ O ₄ is 50 % dissociated, so = 1 2 K_p= p_ NO ₂ ^2 p_ N ₂ O ₄ = (2 1 2 )^2 (1- 1 2 ) =2 ~atm

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