Amines Flashcards
1
Q
How do amines react with acid
A
As a base, forming an ammonium salt
2
Q
Amine + acyl chloride
A
Amide
3
Q
Amine + Haloalkane
A
Secondary amine
4
Q
Amine + Cu 2+ ions
A
Amines are ligands and form coordinate bonds with metal ions
5
Q
Test for amines
A
add Cu2+ ions and observe a colour change from pale blue -> royal blue
6
Q
Phenylamine + bromine water
A
2,4,6 tribromophenylamine
7
Q
How do you make a diazonium ion
A
React an amine with HCl and NaNO2 under 5 degrees
8
Q
How do you produce an AZO dye
A
React a diazonium ion with phenol
9
Q
Characteristics of AZO dyes
A
Heat resistant
Coloured
Chromophores
10
Q
What is a chromophore
A
Organic molecules with double bonds where they absorb different frequencies of light to leave you with a visible colour
