A-LevelChemistryHalogen derivativesOct/Nov 2014Paper 1 Q401 Mark
A reaction pathway diagram is shown. [Figure showing a reaction pathway diagram with two humps.] Which reactions would have this profile? 1 (CH₃)₃CBr + NaOH → (CH₃)₃COH + NaBr 2 CH₃CH₂Br + NaOH → CH₃CH₂OH + NaBr 3 (CH₃)₃CCH₂CH₂Cl + 2NH₃ → (CH₃)₃CCH₂CH₂NH₂ + NH₄Cl
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
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The correct answer is D. 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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