A-LevelChemistryHalogen derivatives9701/12 · Oct/Nov 2009 · Q361 Mark

Which statements are true for an SN2 reaction? 1 One bond is broken as another bond is formed. 2 The formation of a transition state involves the collision of two molecules or ions. 3 A carbon atom in the transition state is bonded, either fully or partially, to five other 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

A: 1, 2 and 3 are correct

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Topic: Halogen derivatives, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2009 Paper 1 Variant 2, question 36.

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