Chemistry 0620 · IGCSE · Formulae, functional groups and terminology

Formulae, functional groups and terminology — practice question

The table displays the structures of several organic compounds.
(a)[2]

Complete the table by giving the names of the homologous series. The first entry has already been filled in for you.

(b)[1]

Draw the structure of a compound with two carbon atoms that is in the same homologous series as compound H. Include every atom and every bond.

(c)[2]

Describe the colour change observed when excess compound J is added to aqueous bromine. from .................... to ....................

(d(i))[2]

State the conditions required for cracking.

(d(ii))[1]

Complete this sentence about cracking using a word from the list: bitumen hydrogen oxygen petroleum The products made by cracking include alkanes, alkenes and ....................

(e)[2]

Complete the word equation for the complete combustion reaction of propane.

(f(i))[2]

State what the term polymer means.

(f(ii))[1]

Give one example of a use for nylon.

(f(iii))[1]

Describe one environmental problem caused by non-biodegradable plastics.

Worked solution & mark scheme

This 14-mark question has a full step-by-step worked solution and mark scheme. One marking point: H belongs to the alcohol homologous series

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