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WorksheetsQuestionnaire 4 Chem (11th)
Total questions: 21
Worksheet time: 18mins
What does Le Chartelier's principle tell us?
The equilibrium shifts in the same direction to enhance the change and reestablish a new equilibrium.
The equilibrium shifts in the opposite direction to offset the change and reestablish a new equilibrium.
None of the above
Le Chartelier's principle applies on both forward and reversible reactions
True
False
Le Chartelier's principle explains the mechanism with which the equilibrium shifts to a new one
True
False
What is the meaning of kc=f(T) ?
If we increase the [ ] of a reactant in an equilibrium
The reaction moves towards the product side
The reaction moves towards the reactant side
None of the above
If we decrease the [ ] of a product in an equilibrium
The reaction moves towards the product side
The reaction moves towards the reactant side
None of the above
If we decrease the [ ] of a reactant in an equilibrium
The reaction moves towards the product side
The reaction moves towards the reactant side
None of the above
If we increase the [ ] of a product in an equilibrium
The reaction moves towards the product side
The reaction moves towards the reactant side
None of the above
What is an exothermic reaction?
What is an endothermic reaction?
ΔErx>0 describes the energetic change of
endothermic reactions
exothermic reactions
None of the above
ΔErx<0 describes the energetic change of
exothermic reactions
endothermic reactions
None of the above
In an exothermic reaction, heat can be considered as a product
True
False
In an endothermic reaction, heat can be considered as a reactant
True
False
In an exothermic reaction, Kc is directly proportional to temperature
True
False
In an endothermic reaction, Kc is inversely proportional to temperature
True
False
If we increase Temperature in an exothermic reaction
The equilibrium moves towards the products
The equilibrium moves towards the reactants
None of the above
If we increase Temperature in an endothermic reaction
The equilibrium moves towards the products
The equilibrium moves towards the reactants
None of the above
If you increase the pressure in an chemical equilibrium
The reaction will move towards the side with less moles
The reaction will move towards the side with more moles
The equilibrium will remain the same
If you decrease the pressure in an chemical equilibrium
The reaction will move towards the side with less moles
The reaction will move towards the side with more moles
None of the above
Explain the effect of pressure in a chemical equilibrium
