A-LevelChemistryHydrocarbonsOct/Nov 2021Paper 1 Q221 Mark
Structural and stereoisomerism should be taken into account when answering this question. Y is a gaseous hydrocarbon which decolourises aqueous bromine. It contains no rings. 10.0 g of Y occupies a volume of 3.43 dm³ under room conditions. How many isomeric structures are possible for Y?
A4
B5
C6
D7
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of hydrocarbons within the Chemistrysyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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