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CAIE A-Level Chemistry AS 15.1.2 Classify Halogenoalkanes Into Primary Questions

Practise classifying halogenoalkanes by counting the carbon groups attached to the carbon bearing the halogen.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • locate the carbon directly bonded to the halogen before classifying the molecule
  • classify primary, secondary or tertiary from one, two or three attached carbon groups
  • apply the definition to displayed and skeletal structures, including branched chains

CAIE A-Level Chemistry AS 15.1.2 Classify Halogenoalkanes Into Primary Questions question 1

[Maximum number: 1]

Species such as NH4+,CO32−\mathrm{NH}_{4}{ }^{+}, \mathrm{CO}_{3}{ }^{2-} and PO43−\mathrm{PO}_{4}{ }^{3-} are examples of molecular ions.

OH−(aq)\mathrm{OH}^{-}(\mathrm{aq}) reacts with 2-bromo-2-methylpropane in an SN1\mathrm{S}_{\mathrm{N}} 1 reaction. The molecular ion (CH3)3C+\left(\mathrm{CH}_{3}\right)_{3} \mathrm{C}^{+}forms as the intermediate in this reaction.

2-bromo-2-methylpropane is a tertiary bromoalkane.

Define tertiary bromoalkane.

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