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Phosphorus pentachloride dissociates as follows, in a closed reaction vessel, PCl ₅( ~g ) PCl ₃( ~g )+ Cl ₂( ~g ) If total pressure at equilibrium of the reaction mixture is P and degree of dissociation of PCl ₅ is x , the partial pressure of PCl ₃ will be

Options

  1. A( x x+1 ) P
  2. B( 2 x 1-x ) P
  3. C( x x-1 ) P
  4. D( x 1-x ) P

Correct answer

A. ( x x+1 ) P

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