Strong & Weak Acids (OCR GCSE Chemistry A (Gateway Science Suite)): 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?
Hydrogen ions () and anions
What determines whether an acid is classified as strong or weak?
What determines whether an acid is classified as strong or weak?
The extent of dissociation
How do strong acids dissociate in water?
How do strong acids dissociate in water?
They completely dissociate
What is the pH characteristic of strong acids?
What is the pH characteristic of strong acids?
Low pH
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 dissociate in water?
How do weak acids dissociate in water?
They only partially dissociate
In weak acid equilibrium , where does the equilibrium lie?
In weak acid equilibrium , where does the equilibrium lie?
Far to the left
Which acid is an example of a weak acid?
Which acid 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 change?
If pH increases from 1 to 3, by what factor does concentration change?
Decreases by a factor of 100
What does acid strength refer to?
What does acid strength refer to?
Ability to dissociate in water