MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryChemical EquilibriumLe-Chatelier’s Principle
A vessel at 1000 K contains CO2 with a pressure of 0.5 atm. Some of the CO2 is converted to CO on addition of graphite. If the total pressure at equilibrium is 0.8 atm, the value of K is :
A.0.18 atm✓ Correct
B.1.8 atm
C.3 atm
D.0.3 atm
Explanation
2 g s g CO +C 2CO 0.5atm 0.5 P 2P Total pressure 0.5 P + 2P = 0.8 Thus P = 0.3 2 P 2 P co K = =1.8atm Pco
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