Chemistry 0620 · IGCSE · Alcohols

Alcohols — practice question

This question concerns the homologous series of alcohols.
(a(i))[1]

State the general formula of alcohols.

(a(ii))[1]

Give one further characteristic that is common to every member of a homologous series.

(b(i))[6]

Fill in Table 5.1.

(b(ii))[2]

Write the symbol equation for method 1.

(b(iii))[2]

Write the symbol equation for method 2.

(c(i))[1]

Deduce the molecular formula for butane-1,4-diol.

(c(ii))[1]

Determine how many moles of ethanoic acid react fully with one mole of butane-1,4-diol.

(d(i))[1]

Deduce the empirical formula for butanedioic acid.

(d(ii))[1]

Name the gas produced when butanedioic acid reacts with sodium.

(e(i))[3]

Draw two repeat units of the polymer formed from the reaction of butane-1,4-diol with butanedioic acid. Show all the atoms and all the bonds in the ester linkages.

(e(ii))[1]

State the type of polymerisation for the reaction between butane-1,4-diol and butanedioic acid.

Worked solution & mark scheme

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