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CAIE A-Level Chemistry AS 15.1.7 Rate of Hydrolysis of Halogenoalkanes Questions

Practise comparing halogenoalkane hydrolysis rates using C–X bond energies, aqueous silver nitrate observations and SN1 or SN2 pathways.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • rank C–I as fastest to hydrolyse, followed by C–Br and then stronger C–Cl
  • use time to form AgI, AgBr or AgCl precipitate as an experimental rate measure
  • explain slower chloroalkane hydrolysis by the greater energy needed to break C–Cl
  • link substrate structure and mechanism to the observed hydrolysis rate

CAIE A-Level Chemistry AS 15.1.7 Rate of Hydrolysis of Halogenoalkanes Questions question 1

[Maximum number: 1]

Which compound reacts most rapidly with aqueous silver nitrate by an SN1\mathrm{S}_{\mathrm{N}} 1 mechanism?

A

1-chloromethylpropane

B

2-chloromethylpropane

C

1-iodomethylpropane

D

2-iodomethylpropane

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