Controlling the Position of Equilibrium (OCR A-Level Chemistry A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which factor is the ONLY one that changes the value of the equilibrium constant ?
Which factor is the ONLY one that changes the value of the equilibrium constant ?
Temperature
What does an equilibrium constant of indicate about the equilibrium position?
What does an equilibrium constant of indicate about the equilibrium position?
Well in favour of products
For an exothermic forward reaction, what happens to when temperature increases?
For an exothermic forward reaction, what happens to when temperature increases?
decreases
For an endothermic reaction, which direction does equilibrium shift when temperature increases?
For an endothermic reaction, which direction does equilibrium shift when temperature increases?
Towards products (right)
If concentration of a reactant increases, which direction does the equilibrium position shift?
If concentration of a reactant increases, which direction does the equilibrium position shift?
Towards products
When pressure increases, which direction does equilibrium shift for gaseous reactions?
When pressure increases, which direction does equilibrium shift for gaseous reactions?
Side with fewer gaseous moles
What effect does a catalyst have on the equilibrium constant ?
What effect does a catalyst have on the equilibrium constant ?
No effect on
When a reactant concentration increases, why does equilibrium shift to restore balance?
When a reactant concentration increases, why does equilibrium shift to restore balance?
The ratio becomes less than
What happens to equilibrium when pressure increases but equal moles exist on both sides?
What happens to equilibrium when pressure increases but equal moles exist on both sides?
No effect on position
What does indicate about an equilibrium?
What does indicate about an equilibrium?
Well in favour of reactants