Chemistry GCSE
reversible arrow
What reversible arrow means in Chemistry GCSE, as defined for AQA.
Definition of reversible arrow
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Reference: AQA
The double arrow used to show that the ionisation of a weak acid is reversible and incomplete, unlike the single arrow used for a strong acid.
Topics that use reversible arrow
- Strong and weak acids (HT only) (AQA GCSE)
Related terms
- Complete ionisation in aqueous solution
- dilute
- Ion formation and equations
- Link between ionisation and pH
- Neutrality
- Quantitative comparison of acids
- weak acid
- Concentrated
Using reversible arrow in the exam
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