Other important addition reactions of alkenes
2 marks · EasyHow many moles of hydrogen are needed to react with 0.60 mol of ethene during hydrogenation?
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0.60 mol (±0.01)
Also accept: 0.6
Common mistakes: 1.2; 0.30
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Marking points
M1 · 1 mark · Identifies correct 1:1 molar ratio for ethene : hydrogen.
A1 · 1 mark · 0.60 mol hydrogen needed.
Worked solution
Mole ratio is 1:1; so 0.60 mol H2 needed.