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CAIE A-Level Chemistry 16.1.1 Preparation of Alcohols

Practise selecting alkene, halogenoalkane, carbonyl, acid or ester routes to alcohols and diols.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • hydrate an alkene with steam/H3PO4 or oxidise it cold with dilute acidified KMnO4 to a diol
  • substitute a halogenoalkane with aqueous NaOH and heat, or reduce aldehydes and ketones with NaBH4
  • use LiAlH4 for carboxylic acids or hot dilute acid/alkali to hydrolyse an ester to an alcohol

16.1.1—Preparation of alcohols question 1

[Maximum number: 1]

Allyl chloride is an important chemical used in the manufacture of plastics, pharmaceuticals and pesticides.

allyl chloride

allyl chloride

A series of reactions starting from allyl chloride is shown.

Figure for Question 16.1.1—Preparation of alcohols question 1 — CAIE A-Level Chemistry AS

Suggest a reagent that can be used in reaction 1.

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