Chemistry 0620 · IGCSE · Alcohols

Alcohols — practice question

Ethanol has the formula $\text{C}_2\text{H}_6\text{O}$.
(a)[2]

Draw ethanol so that all atoms and all bonds are shown.

(b)[2]

Describe the motion and spacing of the particles in ethanol.\n\nmotion\n\nseparation

(c)[2]

Name the two products produced when ethanol undergoes complete combustion.

(d(i))[2]

State two further conditions for fermentation.

(d(ii))[2]

Name the method used to separate ethanol from the reaction mixture once fermentation has finished.

(e)[2]

Complete the word equation for making ethanol by this method.\n\n[BLANK] + [BLANK] → ethanol

Worked solution & mark scheme

This 12-mark question has a full step-by-step worked solution and mark scheme. One marking point: Accurate displayed structure of ethanol (CH₃-CH₂-OH)

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