Chemical Equilibrium — Practice Quiz
Maharashtra Board · Class 11 · Chemistry
Try a 4-question quiz on Chemical Equilibrium for Maharashtra Board Class 11 Chemistry: tap an answer to check it and see why.
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Quick Quiz: Chemical Equilibrium
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Which of the following represents a reversible reaction?
At equilibrium, which statement is true?
For the reaction N₂(g) + 3H₂(g) ⇌ 2NH₃(g), the equilibrium constant expression Kc is:
According to Le Chatelier's principle, if concentration of a reactant is increased:
Sample Questions
Which factors affect the position of equilibrium?
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Concentration of reactants, Temperature, Pressure (for gaseous reactions), Volume (for gaseous reactions)
Concentration, temperature, pressure, and volume can shift equilibrium position. A catalyst only affects the rate of reaching equilibrium, not the position.
In the equilibrium H₂O(l) ⇌ H₂O(g), what represents this type of equilibrium?
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Heterogeneous equilibrium
This is heterogeneous equilibrium because it involves different phases - liquid water and water vapor (gas phase).
For the reaction PCl₅(g) ⇌ PCl₃(g) + Cl₂(g), if pressure is increased, equilibrium will:
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Shift to the left
Increased pressure favors the side with fewer gas molecules. Left side has 1 molecule, right side has 2 molecules, so equilibrium shifts left.
The relationship between Kp and Kc is given by:
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Kp = Kc(RT)^Δn
Kp and Kc are related by Kp = Kc(RT)^Δn, where Δn is the difference in number of moles of gaseous products and reactants.
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