NEET | 2017Chemical EquilibriumEasy
Question
A 20 litre container at 400 K contains CO2(g) at pressure 0.4 atm and an excess of SrO (neglect the volume of solid SrO). The volume of the container is now decreased by moving the movable piston fitted in the container. The maximum volume of the container, when pressure of CO2 attains its maximum value, will be :-
(Given that : SrCO3 (s) SrO(s) + CO2 (g), Kp = 1.6atm)
Options
A.
10 Litre
B.
4 Litre
C.
2 Litre
D.
5 Litre
Solution
SrCO3(s) SrO(s) + CO2 (g)
Kp = PCO2
maximum pressure of CO2 = 1.6 atm
P1V1 = P2V2
0.4 × 20 = 1.6 V2
V2 = 5L option (4)
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