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CAIE A-Level Chemistry AS 7.1.1 What Is Meant By a Reversible Reaction Questions

Practise defining reversible reactions and describing the features and conditions of dynamic equilibrium using CAIE 9701 AS questions.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • Explain what is meant by a reversible reaction and dynamic equilibrium.

CAIE A-Level Chemistry AS 7.1.1 What Is Meant By a Reversible Reaction Questions question 1

[Maximum number: 1]

When a sample of ammonium chloride is warmed it decomposes into ammonia and hydrogen chloride gas.

Figure for Question CAIE A-Level Chemistry AS 7.1.1 What Is Meant By a Reversible Reaction Questions question 1 — CAIE A-Level Chemistry AS
Figure for Question CAIE A-Level Chemistry AS 7.1.1 What Is Meant By a Reversible Reaction Questions question 1 — CAIE A-Level Chemistry AS

When the mixture of hot ammonia and hydrogen chloride gases hit a cold surface, a white solid of ammonium chloride reforms.

Which statements are correct?
1 Reaction 1 is in dynamic equilibrium.
2 Reaction 1 is reversible.
3 Reaction 1 is an endothermic reaction.

A

1, 2 and 3 are correct

B

1 and 2 only are correct

C

2 and 3 only are correct

D

1 only is correct

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