Carbonyl compounds: aldehydes and ketones
What Carbonyl compounds: aldehydes and ketones means in Chemistry A-Level, as defined for OCR.
Definition of Carbonyl compounds: aldehydes and ketones
Check what you remember
Read the wording for your board, then hide it and explain Carbonyl compounds: aldehydes and ketones in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Both give the coloured precipitate with 2,4-DNP, so the test confirms a carbonyl compound but does not distinguish an aldehyde from a ketone.
Topics that use Carbonyl compounds: aldehydes and ketones
- Chromatography and qualitative analysis (OCR A-Level)
Related terms
- 2,4-dinitrophenylhydrazone derivative
- Acidified dichromate(VI) and alcohols
- Adsorption and differential movement
- Adsorption and spot position
- Bromine water and alkenes
- Bromine water test for alkenes
- Carbon–halogen bond strength and reactivity
- Characteristic retention time under fixed conditions
Using Carbonyl compounds: aldehydes and ketones in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge