6.1.2 Carbonyls And Carboxylic Acids

Question 1

Carbonyl compounds-nucleophilic addition
- hydroxynitrile

Answer 1

Reagent- hydrogen cyanide - HCN in the presence of KCN
Conditions - reflux in alkaline solution
Nucleophiles- cyanide ion CN-

Question 2

Chemical test to determine if a molecule has a carbonyl group

Answer 2

2,4 DNP produces an orange precipitate
Take melting point and compare to known values