IB Chemistry HL 3.2.6 Structural isomers and stereochemical consequences Question Bank

Practise IB Chemistry HL 3.2.6 by enumerating structural isomers and evaluating constraints from formula and reactivity evidence.

Exam points

Enumerate valid chain, position and functional-group isomers without duplicating equivalent structures.
Use formula, functional-group and reaction evidence to eliminate impossible isomers.
Evaluate how isomerism changes physical properties, reactivity or the suitability of an organic compound.

[Maximum number: 1]

Organic compounds have many industrial applications.

The following organic compound, X, is used as a flavouring agent.

Figure for Question 3.2.6—Structural isomers question 1 — IB Chemistry HL

Draw an isomer of X which belongs to a different homologous series.

Figure for Answer to Question 3.2.6—Structural isomers question 1 — IB Chemistry HL

OR

Accept any ketone, unsaturated alcohol/ether or cyclic alcohol/ether, with molecular formula $\mathrm{C}_{9} \mathrm{H}_{18} \mathrm{O}$ .

Accept any correct representation including skeletal structures.

Ignore connectivity of methyl groups

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3.2.6—Structural isomers question 1