Question

A 20 litre container at 400 K contains CO_2(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 : SrCO_3(s) ⇋ SrO_(s) + CO_2(g) , K_p = 1.6 atm)

(a) 10 litre

(b) 4 litre

(c) 2 litre

(d) 5 litre

Answer 1

The correct option is: (d) 5 litre

Explanation:

Let the maximum volume of the container when pressure of CO₂ is 1.6 atm be V L

During the process, PV = constant