A-LevelChemistryIntroduction to organic chemistryFeb/Mar 2023Paper 1 Q251 Mark
Which two formulae correctly represent a pair of structural isomers?
ACH3CH(CH3)COOH and (CH3)2CHCOOH
BCH3CH(COOH)CH3 and (CH3)2CHCOOH
CCH3CHCOOH and CH3CH2CH2COOH
DCH3CH2CH2COOH and (CH3)2CHCOOH
✓ Correct Answer
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...
📋 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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