Strong & Weak Acids (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Quizzes
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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 strong or weak?
What determines whether an acid is strong or weak?
The extent of dissociation
How do strong acids dissociate in water?
How do strong acids dissociate in water?
Completely dissociate
What pH characteristic do strong acids have?
What pH characteristic do strong acids have?
Low pH
Which of these is a strong acid?
Which of these is a strong acid?
Hydrochloric acid ()
How do weak acids dissociate in water?
How do weak acids dissociate in water?
Only partially dissociate
What type of process is the dissociation of weak acids?
What type of process is the dissociation of weak acids?
Reversible
Where does the equilibrium lie for weak acids?
Where does the equilibrium lie for weak acids?
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 concentration increases?
What happens to pH as concentration increases?
pH decreases
By how much does pH decrease for a tenfold increase in ?
By how much does pH decrease for a tenfold increase in ?
1 unit
What defines the strength of an acid?
What defines the strength of an acid?
Its ability to dissociate in water