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CAIE A-Level Chemistry Structural, Displayed and Skeletal Formulae

Practise representing organic molecules in accepted formula styles while preserving unambiguous connectivity.

Syllabus
2028–2030
Course
Chemistry 9701
Level
A2

Reference—Structural, displayed and skeletal formula conventions 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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