Chemistry A-Level
Interference from carbonate ions
What Interference from carbonate ions means in Chemistry A-Level, as defined for OCR.
Definition of Interference from carbonate ions
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Reference: OCR
Carbonate ions would also give a white precipitate with barium ions but dissolve with effervescence, so the acid prevents false positives.
Topics that use Interference from carbonate ions
- The periodic table - 3.1.4 Qualitative analysis (OCR A-Level)
Related terms
- Ammonium ion identification
- Anion identification
- Characteristic reactions
- Confirmatory tests with ammonia
- Gas detection using litmus
- ionic equations
- Linking reagents and observations to a named ion
- Precipitation reactions
Using Interference from carbonate ions in the exam
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