A-LevelChemistryChemical bondingFeb/Mar 2025Paper 1 Q161 Mark
Propene, hydrogen cyanide and carbon dioxide each contain π bonds. Which molecules contain two π bonds?
Acarbon dioxide and hydrogen cyanide
Bcarbon dioxide and propene
Chydrogen cyanide and propene
Dhydrogen cyanide only
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The correct answer is A. This question tests the candidate's understanding of chemical bonding within the Chemistrysyllabus. The examiner's mark scheme requires...
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