IB Chemistry HL 3.2.9 Oxidation of Organic Functional Groups Questions

Use real HL exam questions to deduce alcohol oxidation products, equations and the distillation or reflux conditions that control them.

Exam points

Predict the organic product from a primary, secondary or tertiary alcohol, distinguishing aldehyde, carboxylic-acid, ketone and no-reaction outcomes.
Select reagents, conditions and apparatus for alcohol oxidation, including acidified oxidant, distillation, reflux and isolation of the desired product.
Write or interpret oxidation equations and observations, including structural formulas, oxidation state changes and dichromate colour change.

[Maximum number: 2]

Phenylethene (styrene) is produced from ethylbenzene in a gas-phase equilibrium.

Figure for Question IB Chemistry HL 3.2.9 Oxidation of Organic Functional Groups Questions question 1 — IB Chemistry HL

A compound used to make polymers, benzene-1,4-dicarboxylic acid, can be produced by a series of reactions.

Suggest the conditions required and the role of the reagent $\mathrm{KMnO}_{4}$ used to convert intermediate B into intermediate C.

Conditions:

Role of $\mathrm{KMnO}_{4}$ :

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IB Chemistry HL 3.2.9 Oxidation of Organic Functional Groups Questions question 1