Chemistry 0620 · IGCSE · Polymers

Polymers — practice question

Many important chemicals are obtained from petroleum.
(a)[2]

Name two industrial processes that are needed to produce alkenes from petroleum.

(b(i))[1]

What type of polymerisation happens when ethene forms a polymer?

(b(ii))[1]

What is the empirical formula of the polymer made from ethene?

(b(iii))[2]

Draw two repeat units of the polymer made from propene.

(c)[2]

Suggest the structural formulas of these alcohols.

(d(i))[1]

Name the catalyst needed to make an ester from ethanoic acid and methanol.

(d(ii))[1]

Name the ester formed when ethanoic acid reacts with methanol.

(d(iii))[2]

Draw the structure of the ester made when ethanoic acid reacts with methanol. Include all bonds.

(d(iv))[1]

Give the name of one polyester.

Worked solution & mark scheme

This 13-mark question has a full step-by-step worked solution and mark scheme. One marking point: fractional distillation.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI