A-LevelChemistryHydroxy compoundsFeb/Mar 2018Paper 1 Q241 Mark
Structural isomerism and stereoisomerism should be considered when answering this question. The molecular formula of compound X is C₅H₁₂O. Compound X: • reacts with alkaline aqueous iodine • can be dehydrated to form two alkenes only. What could be the identity of compound X?
ACH₃CH₂CH(CH₃)CH₂OH
BCH₃CH₂CH(OH)CH₂CH₃
C(CH₃)₂CHCH(OH)CH₃
DCH₃CH₂CH₂CH(OH)CH₃
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of hydroxy compounds 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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