Coding for the type of compound
2 marks · EasyA molecule of hexene contains six carbon atoms. Use the general formula for alkenes to calculate the number of hydrogen atoms in one molecule of hexene.
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12 (±0)
Common mistakes: Using alkane formula (2n+2) instead of alkene (2n)
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Marking points
M1 · 1 mark · Uses the alkene general formula (CnH2n) with n = 6.
A1 · 1 mark · Correct answer: 12 hydrogen atoms.
Worked solution
There are 12 hydrogen atoms in one molecule of hexene.