Chemistry 5070 · O Level · Formulae, functional groups and terminology

Formulae, functional groups and terminology — practice question

The structures of cyclobutanol and butanoic acid are displayed.
(a)[1]

Explain why cyclobutanol is not a hydrocarbon.

(b)[1]

Explain why butanoic acid is a saturated compound.

(c)[3]

Describe a chemical test that can distinguish cyclobutanol from butanoic acid. State the test, the result for cyclobutanol and the result for butanoic acid.

(d)[2]

Calculate the percentage by mass of carbon in cyclobutanol.

(e(i))[1]

Ethanol can be changed into methyl ethanoate in two stages. Identify compound X.

(e(ii))[1]

Identify the reagent used in step 1.

(e(iii))[1]

Identify the reagent used in step 2.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: An oxygen atom is present

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