Chemistry A-Level
Tollens' and Fehling's reagents
What Tollens' and Fehling's reagents means in Chemistry A-Level, as defined for OCR.
Definition of Tollens' and Fehling's reagents
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Reference: OCR
Tollens' reagent gives a silver mirror with an aldehyde while a ketone does not, and Fehling's solution gives a brick-red precipitate of copper(I) oxide with an aldehyde and a ketone does not.
Topics that use Tollens' and Fehling's reagents
- Carbonyl compounds (OCR A-Level)
Related terms
- 2,4-dinitrophenylhydrazine test
- 2,4-dinitrophenylhydrazone
- Acidified dichromate(VI) as oxidising agent
- acidified potassium dichromate(VI)
- Aldehyde versus ketone distinction
- Carbon–carbon bond formation
- Carbonyl group confirmation
- Carbonyl group detection
Using Tollens' and Fehling's reagents in the exam
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