Carbonyl Compunds Flashcards
1
Q
How do you make an aldehyde from an alcohol?(3)
A
- Use a primary Alcohol
- gently heat with acidified potassium dichromate(VI) - oxidising agent
- quickly distil before it oxidises further
2
Q
How do you make a carboxylic acid from an alcohol?(3)
A
- oxidise with acidified potassium dichromate(VI)
- heat under reflux
3
Q
What can be used to test for aldehydes and ketones?
A
Fehling’s solution
4
Q
What is fehling solution?
A
Blue solution of complexed copper (II) ions dissolved in sodium hydroxide