A 10 litre container at 400K contains CO2g at 0.1 atm and an excess solid metal oxide, MO. The volume of the container is now decreased by moving the movable piston fitted to the container. Maximum volume of the container when the pressure of CO2 attains its maximum value will beMCO3(s)⇌MO(s)+CO2(g) ; ( Kp = 0.8 atm)

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80 lit

1.25 lit

2.5 lit

40 lit

answer is B.

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Detailed Solution

Kp=PCO2 ∴ Maximum pressure of CO2 = 0.8 atm temperature is constant,P1V1=P2V2(0.1) (10) = 0.8 (V2)V2 = 1.25 litre.

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