IB Chemistry SL 3.2.6 Structural Isomers Questions

Use real exam questions to identify compounds with the same molecular formula, draw alternative connectivities and classify alcohol or halogenoalkane structures.

Exam points

Define or recognise structural isomers as compounds with the same molecular formula but different atom connectivity or arrangement.
Draw or identify branched, straight-chain, positional and functional-group isomers for the stated molecular formula.
Classify primary, secondary and tertiary alcohols, halogenoalkanes or amines from the carbon or nitrogen connectivity in each isomer.

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Study 3.2.6—Structural isomers conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

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

Figure for Question IB Chemistry SL 3.2.6 Structural Isomers Questions question 1 — IB Chemistry SL

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

Deduce the relationship between reactant A and ethylbenzene.

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IB Chemistry SL 3.2.6 Structural Isomers Questions question 1