3.8 Aldehydes And Ketones Flashcards
1
Q
Can carbonyls form H bonds on their own?
A
No.
2
Q
What IMF do carbonyls form?
A
Permanent dipole dipole and vDW
3
Q
What are the two tests for a carbonyl and what are the results?
A
Tollens- Silver mirror= Aldehyde , No change =ketone
Fehlings- Brick red = Aldehyde, No change = ketone
4
Q
What are the reagents and conditions for nucleophilic addition via reduction of carbonyls?
A
NaBH4 in aqueous ethanol
Room temperature and pressure
5
Q
What does reduction of carbonyls form?
A
Primary or secondary alcohols
6
Q
What are the reagents and conditions for catalytic hydrogenation of carbonyls?
A
Hydrogen + NIckel catalyst
High pressure
7
Q
What are the reagents and conditions for nucleophilic addition of Carbonyls to Hydroxynitriles?
A
Reagents= NaCN and dilute H2SO4
Room temperature and pressure
