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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
AS

Reference—Structural, displayed and skeletal formula conventions question 1

[Maximum number: 3]

4(CH3)3CCHO4\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CCHO} is used in the synthesis of some antibiotics.

X, Y and Z are all isomers of (CH3)3CCHO\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CCHO}.

A summary of some of the reactions and properties of X, Y and Z is shown in the table.

Table for Question Reference—Structural, displayed and skeletal formula conventions question 1 — CAIE A-Level Chemistry AS

Draw the skeletal formula of Z.

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