Drawing and naming the alcohols
2 marks · NormalState the number of carbon atoms in the molecules of:
(a)[1 mark]
methanol
(b)[1 mark]
butan-1-ol
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Show answer
(a) 1
(b) 4
Common mistakes: Counting hydrogens instead of carbons
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Marking points
B1 (a) · 1 mark · States 1 carbon atom for methanol
B1 (b) · 1 mark · States 4 carbon atoms for butan-1-ol
Worked solution
a) Methanol has 1 carbon atom.
b) Butan-1-ol has 4 carbon atoms.