Chemical EquilibriumHard

Question

The reaction MgCO3(s) $\rightleftharpoons$MgO(s) + CO2(g) is in progress. If the number of moles of MgO in the vessel is doubled at an instance,

Options

A.the reaction quotient Q is halved.
B.the reaction quotient Q is doubled.
C.the moles of CO2 present at equilibrium is halved.
D.the partial pressure of CO2 in the vessel remains unchanged.

Solution

MgO is solid.

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