A-LevelChemistryCarboxylic acids and derivativesOct/Nov 2015Paper 1 Q301 Mark
The structure of aspartame, which is used as an artificial sweetener, is shown. [Figure of aspartame structure with bonds 1 and 2 labelled] If aspartame is warmed in aqueous alkali, which of bonds 1 and 2 will be broken?
Aboth bond 1 and bond 2
Bbond 1 only
Cbond 2 only
Dneither bond 1 nor bond 2
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The correct answer is A. This question tests the candidate's understanding of carboxylic acids and 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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