Chemistry 0620 · IGCSE · Reversible reactions and equilibrium

Reversible reactions and equilibrium — practice question

Ammonia is produced by an industrial process that begins with nitrogen. The reaction equation is shown below. $\text{N}_2 + \text{3H}_2 \rightleftharpoons \text{2NH}_3$
(a)[1]

Name the industrial process that produces ammonia.

(b)[1]

State the source material from which nitrogen is obtained.

(c)[1]

State what the symbol $\rightleftharpoons$ means.

(d)[2]

State the temperature and pressure employed in this industrial process.

(e)[1]

Name the catalyst employed in this industrial process.

(f)[4]

State the effect, if any, on the equilibrium position when the following changes are made. Explain your answers. temperature is lowered pressure is lowered

(g)[3]

Explain, in terms of particles, what happens to the reaction rate when the temperature is lowered.

(h)[1]

Give the formula of the compound produced when sulfuric acid reacts with ammonia.

Worked solution & mark scheme

This 14-mark question has a full step-by-step worked solution and mark scheme. One marking point: Haber process

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