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NEET2002ChemistryChemical EquilibriumActual

For the reaction BaO ₂(s) BaO (s)+ O ₂(g) ; H =+ ve . In an equilibrium condition, pressure of O ₂ depends on:

Options

  1. Aincreased mass of BaO ₂
  2. Bincreased mass of BaO
  3. Cincreased temperature at equilibrium
  4. Dincreased mass of both BaO ₂ and BaO

Correct answer

C. increased temperature at equilibrium

Step-by-step solution

For the reaction 2 BaO ₂( ~s ) BaO ( s )+ O ₂( ~g ) ; H = + ve In equillibrium K _P= PO ₂ Hence, the value of equilibrium constant depends only upon partial pressure of O ₂ . Further on increasing temperature formation of O ₂ increases as this is an endothermic reaction. Hence, pressure of O ₂ is dependent on temperature.

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