Q.
In the reversible reaction CaCO3(s)⇌CaO(s)+CO2(g)which of the following change at equilibrium will lead to more decomposition of limestone?
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a
Addition of CaCO3(s) to the container
b
Decreasing the volume of container at same temperature
c
Decreasing the pressure of container at same temperature
d
Addition of CO2(g) to the container.
answer is C.
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Detailed Solution
Addition of small amount of solids doesn’t make a considerable difference in the volume or pressure.But when we decrease the pressure in the container forward reaction favored in given equilibrium and more CaCO3(s will discompose.On decreasing pressure, equilibrium is shifted towards more number of gaseous moles.
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