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CAIE A-Level Chemistry AS 19.1.1 Preparation of Amines Questions

Practise CAIE 9701 preparation of primary amines by heating a halogenoalkane with excess ammonia in ethanolic solution under pressure.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • choose NH3 in ethanol with heat under pressure for nucleophilic substitution of a halogenoalkane
  • write the equation using two NH3 molecules to form the amine and an ammonium halide
  • use excess ammonia to favour the primary amine while recognising further substitution can occur

CAIE A-Level Chemistry AS 19.1.1 Preparation of Amines Questions question 1

[Maximum number: 1]

Compounds P, Q and R have all been found in the atmosphere of one of Saturn's moons.
P

Figure for Question CAIE A-Level Chemistry AS 19.1.1 Preparation of Amines Questions question 1 — CAIE A-Level Chemistry AS
Q

Q

R

R

The flow chart shows some reactions of R.

R

Figure for Question CAIE A-Level Chemistry AS 19.1.1 Preparation of Amines Questions question 1 — CAIE A-Level Chemistry AS
Figure for Question CAIE A-Level Chemistry AS 19.1.1 Preparation of Amines Questions question 1 — CAIE A-Level Chemistry AS
CH3CH2CH2NH2\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{NH}_{2}

T can also be formed by the reaction of CH3CH2CH2Br\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br} with ammonia.

State the necessary conditions of this reaction.

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