topic 7 - polymerisation etc

Question 1

what is polymerisation and example

Answer 1

• when monomers join together to form polymers
• plastics are polymers with with monomers of alkenes

Question 2

whats addition polymerisation

Answer 2

unsaturated monomers (alkenes) open their double bonds and form polymer chains

Question 3

what is condensation polymerisation and and example

Answer 3

• involves monomers of DIFFERENT FUNCTIONAL GROUPS
• these react and create bond making polymer chains
• eg - polyester

Question 4

difference between addition polymerisation and condensation polymerisation

Answer 4

addition
- one monomer type with a C=C bon
- one product formed

condensation
- different functional groups
- two products - polymer and small molecule eg water

Question 5

an example of a naturally occurring polymer

Answer 5

• amino acids can form polymers called polypeptides via condensation polymerisation
• the amino group reacts with the acid group to form a chain
• one + chains of polypeptides are known as proteins