Carbonyls Flashcards
1
Q
what is a carbonyl
A
C=o
2
Q
How to reduce carbonyl to alc
A
Reflux + NaBH4
3
Q
test for carbonyl group
A
Brady reagent = 2,4-DNP + methanol + h2So4
yellow/orange precipitate = Carbonyl
Precipitate –> Purify –> find mp –> find compound
4
Q
Test between ketone and aldehyde
A
Tollens reagents –> silver mirror (with aldehyde)
NaOH + AgNO3 + NH3
5
Q
suffix for aldehyde
A
-al
6
Q
suffix for ketone
A
-one
7
Q
name of reagent for finding if carbonyl is present FULL NAME
A
2,4- dinitrilephenylmethylhydrazine
8
Q
reaction of carbonyl with HCN
A
CN and H replaces where C=O
