CAIE A-Level Chemistry 31. Halogen compounds Question Bank
Practise comparing halogenoalkanes with halogenoarenes using AgNO3 or OH- reactions, observations, equations and C-halogen bonding.
- Syllabus
- 2028–2030
- Course
- Chemistry 9701
- Level
- A2
Covered syllabus points
31. Halogen compounds question 1
[Maximum number: 2]
Describe the difference in reactivity between chloroethane and chlorobenzene with OH−(aq).
Explain your answer.
chlorobenzene is less reactive than chloroethane OWTTE
- p-orbital / lone pair on Cl will overlap / delocalise into the ring
- due to partial double C-Cl bond OWTTE
OR C-Cl bond strengthened (more)
Any two [1], all three [2]
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