IB Chemistry HL 2.2.5 Catalysts Question Bank

Practise IB Chemistry HL 2.2.5 by applying catalysts to exam-style questions.

Exam points

identify the relevant chemical structure, process or evidence
apply the correct chemical model or equation
evaluate the result using chemical reasoning and data

[Maximum number: 2]

Nitrous acid, $\mathrm{HNO}_{2}$ , is a weak acid which can be used to make acidic buffers.

A catalyst, usually concentrated sulfuric acid, $\mathrm{H}_{2} \mathrm{SO}_{4}$ , is used in the manufacture of this ester.

Explain the action of a catalyst.

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2.2.5—Catalysts question 1