Chemistry 5070 · O Level · Reversible reactions and equilibrium

Reversible reactions and equilibrium — practice question

Methanol is used to manufacture ethanoic acid. $\text{CH}_3\text{OH(g)} + \text{CO(g)} \rightleftharpoons \text{CH}_3\text{COOH(g)}$ The forward reaction releases heat.
(a(i))[2]

Predict and explain the effect, if any, on the position of equilibrium when the temperature is lowered and the pressure stays constant.

(a(ii))[1]

Predict and explain the effect, if any, on the position of equilibrium when the temperature is lowered and the pressure remains constant.

(b)[2]

Ethanoic acid can be produced by bacterial oxidation. Describe one further method of making ethanoic acid by oxidising an alcohol other than methanol. name of alcohol name of oxidising agent

(c)[2]

Ethanoic acid reacts with propan-1-ol, $\text{CH}_3\text{CH}_2\text{CH}_2\text{OH}$, to make an ester. Name the ester and draw its displayed formula.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: the position of equilibrium shifts to the left

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