A-LevelChemistryHalogen derivativesOct/Nov 2017Paper 1 Q371 Mark
Which statements are correct for an SN2 mechanism? 1 One bond is being broken at the same time as another bond is being formed. 2 The formation of the intermediate involves the collision of two molecules or ions. 3 A carbon atom in the transition state is bonded, either fully or partially, to five atoms.
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of halogen 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