A-LevelChemistryOrganic synthesisMay/June 2019Paper 1 Q281 Mark
The diagram shows that a carboxylic acid P may be formed from X, Y or Z. [Figure 28.1] Which row is correct? alcohol X is the change in Mᵣ is greatest for A primary Y to P B primary Z to P C secondary Y to P D secondary Z to P
Aalcohol X is: primary, the change in Mr is greatest for: Y to P
Balcohol X is: primary, the change in Mr is greatest for: Z to P
Calcohol X is: secondary, the change in Mr is greatest for: Y to P
Dalcohol X is: secondary, the change in Mr is greatest for: Z to P
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of organic synthesis within the Chemistrysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
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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