Chemistry 0620 · IGCSE · Polymers

Polymers — practice question

(a)[2]

Give two properties that are identical for every member of a homologous series.

(b)[1]

Name the ester labelled X.

(c(i))[2]

Name the alcohol and the carboxylic acid that were used to prepare ester Y.

(c(ii))[1]

State the molecular formula for ester Y.

(d)[1]

State the empirical formula for ester Z.

(e(i))[1]

State the term used for the type of polymerisation that makes polyesters and polyamides.

(e(ii))[2]

Complete Fig. 6.3 so that it shows the structures of the monomers used to make nylon. Include all atoms and all bonds.

(f(i))[1]

State the name used for naturally occurring polyamides.

(f(ii))[1]

Name the type of monomer that forms naturally occurring polyamides.

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