Drawing and naming the alcohols

2 marks · Normal

State the IUPAC name for the alcohol with the structural formula CH3CH2CH2OH. Explain which features of the name identify it as an alcohol.

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Also accept: propan-1-ol

Common mistakes: propanol; propanol-1

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Marking points

B1 · 1 mark · Correct IUPAC name: propan-1-ol (accept 'propanol' as an alternative)

B2 · 1 mark · Explains features: 'ol' ending for alcohol; 'propan' for 3 carbons; '1' for OH on carbon 1

Worked solution

IUPAC name: propan-1-ol.

Explanation: The 'propan' part shows there are 3 carbon atoms, the '-1-' shows the –OH group is on carbon 1, and 'ol' indicates it is an alcohol.