A-LevelChemistryCarboxylic acids and derivativesMay/June 2021Paper 2 Q510 Marks
Compound X contains the same functional groups as citric acid. [Figure showing the skeletal structure of citric acid] The table describes some of the similarities and differences between citric acid and compound X. [Table with properties: chiral centre, reaction with Na, reaction with H+/Cr2O72- for citric acid and X]
✓ Correct Answer
The correct answer is —. This question tests the candidate's understanding of carboxylic acids and derivatives 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...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep