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CAIE A-Level Chemistry AS 13.2.2 Terminology Associated with Types Questions

Practise identifying free-radical substitution, electrophilic addition and nucleophilic substitution or addition mechanisms.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • match alkane halogenation to free-radical substitution and alkene reactions to electrophilic addition
  • distinguish nucleophilic substitution at saturated carbon from nucleophilic addition at a carbonyl
  • start each curly arrow at an electron pair in a bond or lone pair and point it towards the electron-deficient site

CAIE A-Level Chemistry AS 13.2.2 Terminology Associated with Types Questions question 1

[Maximum number: 1]

Which reaction takes place by a nucleophilic addition mechanism?

A

propene reacting with hydrogen bromide

B

2-bromopropane reacting with sodium hydroxide in ethanol

C

propanone reacting with hydrogen cyanide

D

methane reacting with chlorine

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