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CAIE A-Level Chemistry A2 Reference Structural Displayed and Skeletal Formula Conventions Questions

Practise representing organic compounds with structural, displayed and skeletal formulae, including clear partial structures and the preferred aromatic ring convention.

Syllabus
2028–2030
Course
Chemistry 9701
Level
A2

Exam points

  • draw unambiguous structural and displayed formulae for named organic compounds
  • convert between structural and skeletal representations, including partial-skeletal forms
  • use the preferred aromatic ring convention when drawing organic structures

CAIE A-Level Chemistry A2 Reference Structural Displayed and Skeletal Formula Conventions Questions question 1

[Maximum number: 1]

Propanoic acid, methanoic acid and ethanedioic acid are all weak acids.

Draw the displayed formula of ethanedioic acid.

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