Chemistry 0620 · IGCSE · Alcohols

Alcohols — practice question

(a(i))[1]

On the structure, encircle the carboxylic acid functional group.

(a(ii))[1]

Work out the formula of compound S so that the numbers of carbon, hydrogen and oxygen atoms are shown.

(a(iii))[1]

Using the kinetic particle model, describe how the particles are arranged in a solid.

(b(i))[1]

Draw ethanol's structure, showing every atom and every bond.

(b(ii))[2]

Describe one other way of making ethanol.

(c(i))[1]

State the general term used for the small units that join together to make a polymer.

(c(ii))[1]

Name any one natural polymer.

(c(iii))[1]

Describe one pollution issue caused by non-biodegradable plastics.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: Draw a circle around the COOH group.

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