Paper 2 H - SAMPLE SET 1 Q20 Answers
20) Poly(propenenitrile) is an addition polymer.
Look at the flow chart. It shows how poly(propenenitrile) is made from crude oil.
Look at the flow chart. It shows how poly(propenenitrile) is made from crude oil.
(a) Crude oil is a complex mixture of hydrocarbons.
Fractional distillation separates this mixture.
Explain, in terms of intermolecular forces, fractional distillation. [2]
(b) Look at the displayed formula for propenenitrile.
Fractional distillation separates this mixture.
Explain, in terms of intermolecular forces, fractional distillation. [2]
(b) Look at the displayed formula for propenenitrile.
Propenenitrile is an unsaturated compound.
How you can tell from the displayed formula? [1]
(Total for Question 20 = 3 marks)
How you can tell from the displayed formula? [1]
(Total for Question 20 = 3 marks)
Answers
