Chemistry 0620 · IGCSE · Formulae, functional groups and terminology

Formulae, functional groups and terminology — practice question

(a(i))[2]

What does the term hydrocarbon mean?

(a(ii))[2]

State the general formulae for: • alkanes • alcohols

(a(iii))[2]

State two features of members of a homologous series, other than having the same general formula.

(b(i))[1]

State one required reaction condition.

(b(ii))[1]

Draw the structure of the organic product formed when one hydrogen atom in ethane is replaced by chlorine. Include every atom and every bond.

(b(iii))[1]

Name the product of the substitution reaction between ethane and chlorine that has no carbon atoms.

(c)[1]

Propan-1-ol reacts with ethanoic acid to make an ester. Give the name of the ester produced in this reaction.

(d(i))[1]

Give the molecular formula of ester Y.

(d(ii))[4]

Draw the structures of the carboxylic acid and the alcohol that were used to make ester Y. Show every atom and every bond. Give the name of the carboxylic acid and the alcohol.

(e)[3]

Complete the diagram so that it shows the structure of nylon. Include every atom and every bond present in the linkages.

Worked solution & mark scheme

This 18-mark question has a full step-by-step worked solution and mark scheme. One marking point: Compound made up of carbon and hydrogen

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