Past Paper Qu

Question 1

Why does a phenol more readily react with an electrophile than benzene

Answer 1

Lone pair from OH DELOCALIZED into the ring
ELECTRON density increases
Electrophile is more polarised so reaction occurs

Question 2

Diazonium ion draw

Answer 2

Benzene ring attached to a N+ triple bonded to a N

Question 3

Explain how an amino acid can act as a base

Answer 3

Nitrogen lone pair accepts a proton (or h+)