Chemistry 0620 · IGCSE · Alcohols

Alcohols — practice question

Ethanol may be produced either by fermentation or by hydration.
(a(i))[6]

Describe the two routes for making ethanol. In each case, name the reactants, give the reaction conditions, and write the chemical equation for the reaction that forms ethanol.

(a(ii))[2]

Give two advantages of making ethanol by fermentation rather than by hydration.

(a(iii))[2]

State two main uses of ethanol.

(b)[5]

State which polymer, A, B, C, D or E, corresponds to: an addition polymer; a protein; a polyester made from only one monomer; Terylene; a complex carbohydrate.

Worked solution & mark scheme

This 15-mark question has a full step-by-step worked solution and mark scheme. One marking point: glucose/sucrose/starch, all of which are carbohydrates

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