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Organic analysis — Question 4

QCAA 2023, Paper 2 · 8 marks

Q4 · 2023 · Paper 2Unclassified8 marks

QUESTION 4 (8 marks)

Compound C has the molecular formula C4H10O and is either an alcohol, an aldehyde or a carboxylic acid.

Chemistry question figure

(a) Deduce the class of compound C. Explain your reasoning.

[4 marks]

(b) Deduce the structural formula and IUPAC name of two isomers of compound C.

[2 marks]

Chemistry question figure

Note: If you make a mistake in the drawing, cancel it by ruling a single diagonal line through your work and use the additional response space at the back of this question and response book.

(c) Distinguish between structural and geometric isomers.

[2 marks]

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