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CAIE A-Level Chemistry 13.4.1 Structural Isomerism

Practise defining structural isomerism and separating chain, positional and functional-group isomers.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • define structural isomers as compounds with the same molecular formula but different structural formulae
  • identify chain isomers by carbon skeleton and positional isomers by the location of a group or multiple bond
  • identify functional-group isomers when identical atom totals form different functional groups

13.4.1—Structural isomerism and its division question 1

[Maximum number: 1]

Organic compounds can be distinguished using chemical tests and analytical techniques.

Table 3.1 shows four pairs of organic compounds.

Table 3.1

Table 3.1

A1 and A2 are structural isomers.

Define structural isomers.

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