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A vessel at 1000 K contains CO ₂ with a pressure of 0.5 atm . Some of CO ₂ is converted into CO on addition of graphite. If total pressure at equilibrium is 0.8 atm , then Kp is :

Options

  1. A1.8 atm
  2. B0.3 atm
  3. C3 atm
  4. D0.18 atm

Correct answer

A. 1.8 atm

Step-by-step solution

array lc CO ₂( ~g )+ C ( s ) & 2 CO ( g ) 0.5 & - 0.5- x & 2 x array aligned P _ total =0.5+ x =0.8 x =0.3 ~K _ P = (0.6)^2 0.2 =1.8 aligned

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