Strong & Weak Acids (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What do acids release when they dissociate in water?
What do acids release when they dissociate in water?
ions and anions
What happens to strong acids when they dissolve in water?
What happens to strong acids when they dissolve in water?
They completely dissociate
Which of these is an example of a strong acid?
Which of these is an example of a strong acid?
Hydrochloric acid ()
How do weak acids behave in water?
How do weak acids behave in water?
They only partially dissociate
In weak acid equilibrium, where does the equilibrium position lie?
In weak acid equilibrium, where does the equilibrium position lie?
Far to the left
Which is an example of a weak acid?
Which is an example of a weak acid?
Ethanoic acid ()
What happens to pH as ion concentration increases?
What happens to pH as ion concentration increases?
pH decreases
By how much does pH decrease for a tenfold increase in concentration?
By how much does pH decrease for a tenfold increase in concentration?
1 unit
If pH increases from 1 to 3, by what factor does concentration decrease?
If pH increases from 1 to 3, by what factor does concentration decrease?
100
What does acid strength refer to?
What does acid strength refer to?
Ability to dissociate in water
Compared to strong acids, weak acids have what ion concentration?
Compared to strong acids, weak acids have what ion concentration?
Much lower
What type of process is the dissociation of weak acids?
What type of process is the dissociation of weak acids?
Reversible