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5.3 Equilibria

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Question 22
H

A solution of a cobalt compound is at equilibrium.

blue cobalt compound + water ⇌ \rightleftharpoons\,⇌ pink cobalt compound + chloride ions

The forward reaction is exothermic.

Statement 1: Adding more water makes the solution more pink.

Statement 2: Heating the solution makes it more pink.

Statement 3: Adding a solution containing chloride ions makes the solution more blue.

Which statements are correct?

[1]
A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2 and 3

Markscheme

5.3 Equilibria Questions

  1. GCSE
  2. /Chemistry
  3. /5.3 Equilibria

47 exam-style questions on OCR GCSE Chemistry 5.3 Equilibria, covering 5.3.1 Reversible reactions and dynamic equilibrium and 5.3.2 Changing the position of equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.

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