Chemistry 5070 · O Level · Alcohols

Alcohols — practice question

A student is oxidising a sample of ethanol. The diagram shows some of the apparatus used.
(a)[3]

Name the three items of apparatus labelled P, Q and R.

(b(i))[1]

Name a suitable piece of apparatus for measuring $25.0\,\text{cm}^3$ of ethanol.

(b(ii))[2]

Name a suitable oxidising agent.

(b(iii))[1]

State the colour change that would be observed with this oxidising agent.

(b(iv))[1]

Suggest a reason for positioning apparatus P vertically.

(c(i))[1]

Name the product of the oxidation.

(c(ii))[1]

Name the process used to separate the three liquids in apparatus Q.

(c(iii))[1]

State why this process is suitable. Refer to a physical property of the liquids.

Worked solution & mark scheme

This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: a Liebig condenser

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