Chemistry A-Level
removing interfering ions
What removing interfering ions means in Chemistry A-Level, as defined for AQA.
Definition of removing interfering ions
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Reference: AQA
Nitric acid removes carbonate, hydroxide and sulfite ions, which would give their own precipitates with silver ions and be misread as a halide.
Topics that use removing interfering ions
- Trends in properties (AQA A-Level)
Related terms
- acidifying with nitric acid
- choice of acid
- concentrated sulfuric acid
- confirmation with ammonia
- confirming a halide
- dilute and concentrated ammonia
- displacement reactions
- electronegativity down a group
Using removing interfering ions in the exam
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