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A 20 litre container at 400 K contains C...

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 `CO_2` attains its maximum value, will be `("Given : "SrCO_(3(s)) Leftrightarrow SrO_(s) +CO_(2(g)), K_(p)"= 1.6 atm") `

A

10 litre

B

4 litre

C

2 litre

D

5 litre

Text Solution

Verified by Experts

The correct Answer is:
D
`SrCO_(3(s)) Leftrightarrow SrO_(s))+CO_(2(g)) ,K_(p)=1.6 atm`
`K_(p)=(p_(CO_2) xx p_(SrO))/(p_(SrCO_3))`
`1.6 =p_(CO_2)" "(p_(SrO)=p_(SrCO_3)=1)`
Maximum pressure of `CO_2=1.6` atm
Let the maximum volume of the container when the pressure of `CO_2` is 1.6 atm be V ,. During the process PV=constant
`0.4 xx 20=1.6 xx V`
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