Chemistry A-Level
Buffer action and pH resistance
What Buffer action and pH resistance means in Chemistry A-Level, as defined for OCR.
Definition of Buffer action and pH resistance
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Reference: OCR
A buffer resists change in pH when small amounts of acid or alkali are added, because it contains a reservoir of both a weak acid and its conjugate base.
Topics that use Buffer action and pH resistance
- Acids, bases and buffers (OCR A-Level)
Related terms
- Acid dissociation constant Ka
- acidic buffer
- Amphiprotic
- basic buffer
- Basicity
- Buffer action against added acid and alkali
- Calibration with buffer solutions
- Care and storage of the pH electrode
Using Buffer action and pH resistance in the exam
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