Chemistry 0620 · IGCSE · Formulae, functional groups and terminology

Formulae, functional groups and terminology — practice question

This question concerns organic compounds.
(a(i))[1]

State what is meant by the term photochemical.

(a(ii))[2]

Draw the displayed formulae for two structural isomers that could have the formula C$_4$H$_9$Cl in this reaction.

(b(i))[1]

Deduce the molecular formula for compound A.

(b(ii))[3]

Name the homologous series for the following functional groups: -C=C- -OH -COOH

(b(iii))[2]

State the observation when compound A is added to aqueous bromine and to aqueous sodium carbonate.

(b(iv))[2]

Draw one repeat unit of the addition polymer obtained from compound A.

(b(v))[1]

Name the type of condensation polymer produced from a dicarboxylic acid and a diol.

Worked solution & mark scheme

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