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- 1. Multiple Choice
The following factors affect the position of equilibrium EXCEPTConcentrationPressureTemperatureStates of matter - 2. Multiple Choice
2SO2(g)+O2(g) ⇌ 2SO3(g) + Heat
Adding SO2(g) will
shift equilibrium right
shift equilibrium left
increase rate of reaction
have no change
- 3. Multiple Choice
2SO2(g)+O2(g) ⇌ 2SO3(g) + Heat
Increasing the temperature will...
shift equilibrium right
shift equilibrium left
increase pressure
have no change
- 4. Multiple Choice
2SO2(g) + O2(g) ⇌ 2SO3(g) + Heat
Removing O2(g) will
shift equilibrium right
shift equilibrium left
increase pressure
have no change
- 5. Multiple Choice
2SO2(g)+O2(g) ⇌ 2SO3(g) + Heat
Adding SO3(g) will
shift equilibrium right
shift equilibrium left
increase K
have no change
- 6. Multiple Choice
2SO2(g)+1O2(g) ⇌ 2SO3(g) + Heat
Increasing the volume of the container will...
shift equilibrium right
shift equilibrium left
slow rate of reaction
have no change
- 7. Multiple Choice
2SO2(g)+1O2(g) ⇌ 2SO3(g) + Heat
Increasing the pressure on the system will...
shift equilibrium right
shift equilibrium left
slow rate of reaction
have no change
- 8. Multiple Choice
2SO2(g) + O2(g) ⇌ 2SO3(g) + Heat
Using a catalyst
shift equilibrium right
shift equilibrium left
increase the rate of reaction
have no change
- 9. Multiple Choice
CoCI42- +6H2O →Co(H2O)62+ + 4CI-.
What would happen when H2O is added?
Position of equilibrium will shift to left (and become more blue)
Position of equilibrium will shift to right (and become more pink)
Keq will increase as H2O is added
Position of equilibrium will shift to left to reduce the added H2O
- 10. Multiple Choice
1N2 + 3H2 →2NH3
When the pressure on the system is increased, the equilibrium position shifts to the right. Why?
To increase the amount of products
To reduce the pressure, as the right side has fewer molecules of gas
Keq will increase when it is shifted to the right
To increase the pressure, as the right side has more molecules of gas
- 11. Multiple Choice
CoCI42- +6H2O →Co(H2O)62+ + 4CI-
What will happen when CI- ions are added?
Position of equilibrium will shift to left and become more pink
Color of system will turn to all pink
Concentration of reactants and products remain unchanged
Position of equilibrium will shift to left to reduce the added CI- ions
- 12. Multiple Choice
2CrO42- + 2H+ → Cr2O72- + H2O
What will happen when H+ ions are added to the system?
Position of equilibrium will shift to left and become more yellow
Color of system will turn all yellow
Color of system will turn all orange
Equilibrium will shift to right and become more orange
- 13. Multiple Choice
Heat + 1 N2O4 → 2 NO2
What will happen when the temperature is increased?
Position of equilibrium will shift to left and become lighter in color
Position of equilibrium will shift to right and become more brown
No change in position of equilibrium
Position of equilibrium will shift to right and become lighter in color
- 14. Multiple Choice
CoCI42- +6H2O →Co(H2O)62+ + 4CI- + Heat
What will happen when the temperature is increased?
Position of equilibrium will shift to left and become more blue
Position of equilibrium will shift to right and become more pink
No change in position of equilibrium
Position of equilibrium will shift to left and become more pink
- 15. Multiple Choice
2CrO42- + 2H+→Cr2O72- + H2O
What will happen when OH- ions are added to the system? HINT: They remove the H+ ions.
Position of equilibrium will shift to right and become more orange
Position of equilibrium will shift to left and become more yellow
Position of equilibrium will shift to right and become more yellow
OH- ions will not react, and thus no change is seen.
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