A-LevelChemistryHalogen derivativesFeb/Mar 2025Paper 1 Q321 Mark
Compound Y is hydrolysed by warm aqueous silver nitrate to form a precipitate that is soluble in dilute aqueous ammonia. Compound Y undergoes an elimination reaction to form an alkene. What is the skeletal formula of compound Y?
ASkeletal formula showing 2-bromobutane
BSkeletal formula showing 1-iodobutane
CSkeletal formula showing 2-chloro-2-methylpropane
DSkeletal formula showing chlorocyclohexane
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of halogen derivatives 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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