Skip to content

Course home

Question bank·6.2 Reversible reactions and dynamic equilibrium
Sign up

6.2 Reversible reactions and dynamic equilibrium

EasyMediumHard
123456789101112131415161718192021222324252627282930
Question 22
H

The FeSCN2+\text{FeSCN}^{2+}FeSCN2+ ion is deep red. A few drops of a solution containing Fe3+\text{Fe}^{3+}Fe3+ ions are added to the equilibrium mixture.

Fe3+(aq)+SCN−(aq)⇌FeSCN2+(aq)\text{Fe}^{3+}\text{(aq)} + \text{SCN}^-\text{(aq)} \rightleftharpoons \text{FeSCN}^{2+}\text{(aq)}Fe3+(aq)+SCN−(aq)⇌FeSCN2+(aq)

What is seen, and why?

[1]
A

The colour fades, because the position of equilibrium shifts left

B

The colour deepens, because the position of equilibrium shifts left

C

The colour fades, because the position of equilibrium shifts right

D

The colour deepens, because the position of equilibrium shifts right

Markscheme

6.2 Reversible reactions and dynamic equilibrium Questions

  1. GCSE
  2. /Chemistry
  3. /6.2 Reversible reactions and dynamic equilibrium

109 exam-style questions on AQA GCSE Chemistry 6.2 Reversible reactions and dynamic equilibrium, covering 6.2.1 Reversible reactions, 6.2.2 Energy changes and reversible reactions, 6.2.3 Equilibrium, 6.2.4 The effect of changing conditions on equilibrium, 6.2.5 The effect of changing concentration, 6.2.6 The effect of temperature changes on equilibrium, and 6.2.7 The effect of pressure changes on equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.

More questions