A-LevelChemistryOrganic synthesisOct/Nov 2010Paper 1 Q271 Mark
Part of the structure of strobilurin, a fungicide, is shown. R and R' are inert groups. [Figure showing part of strobilurin structure] If strobilurin is first warmed with aqueous sulfuric acid, and its product then treated with hydrogen in the presence of a palladium catalyst, what could be the structure of the final product?
A[Diagram A showing chemical structure]
B[Diagram B showing chemical structure]
C[Diagram C showing chemical structure]
D[Diagram D showing chemical structure]
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of organic synthesis 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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