A-LevelChemistryIntroduction to organic chemistryOct/Nov 2022Paper 1 Q261 Mark
The structure of tartaric acid is shown. [Figure 26.1] Which statements about tartaric acid are correct? 1 A molecule of tartaric acid has more than one chiral centre. 2 The molecular formula of tartaric acid is C4H4O6. 3 One molecule of tartaric acid produces four hydrogen ions in aqueous solution.
A1, 2 and 3
B1 and 2 only
C2 and 3 only
D1 only
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The correct answer is D. This question tests the candidate's understanding of introduction to organic chemistry 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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