Polymers And DNA

Question 1

Terylene is a polyester made of

Answer 1

Ethane-1,2-diol and benzene-1,4-dicarboxylic acid

Question 2

Uses of terylene

Answer 2

Clothing, carpet

Question 3

Polyamides are made of

Answer 3

Dicarboxylic acid and diamine

Question 4

Example of polyamide

Answer 4

Nylon6,6
1,6 - diaminohexane and hexa-1,6-dicarboxylic acid

Question 5

Another example of polyamide

Answer 5

Kevlar
Benzene-1,4- diamine and benzene-1,4- dicarboxylic acid

Question 6

Uses of nylon

Answer 6

Used in fibres in clothing

Question 7

Conditions for hydrolysis of peptide bond

Answer 7

HCl catalyst
Heat for 24 hours

Question 8

Addition polymers

Answer 8

An addition polymer is a long chain formed from many monomers and no other products are formed.

Question 9

Condensation reaction

Answer 9

In a condensation reaction, two molecules join to form a larger one with a small molecule such as H2O or HCl is released.

Question 10

polyester

Answer 10

Made from a diol and dicarboxylic acid.

Question 11

uses of kevlar

Answer 11

Used in manufacture of body armour and crash helmets

Question 12

properties of Kevlar

Answer 12

strong, heat and light resistant.

Question 13

Additional polymer is

Answer 13

non- biodegradeable
C-C bond cannot be hydrolysed

Question 14

Condensation polymer

Answer 14

biodegradable
C=O can be attacked by nuceophile

Question 15

Anti-cancer drug

Answer 15

Cis platin

Question 16

How does cis platin help prevent cancer?

Answer 16

Binds to DNA
stops cell replication

Question 17

How can cis platin risk be reduced?

Answer 17

Use in minimal amounts