Chemistry A-Level
2,4-dinitrophenylhydrazine test
What 2,4-dinitrophenylhydrazine test means in Chemistry A-Level, as defined for OCR.
Definition of 2,4-dinitrophenylhydrazine test
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Reference: OCR
A test in which 2,4-dinitrophenylhydrazine condenses with aldehydes and ketones to give an orange or yellow-orange crystalline precipitate of a 2,4-dinitrophenylhydrazone.
Topics that use 2,4-dinitrophenylhydrazine test
- Carbonyl compounds (OCR A-Level)
Related terms
- 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
- Carbonyl group structure
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