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CAIE A-Level Chemistry 24.2.2 Standard Hydrogen Electrode

Practise drawing the standard hydrogen electrode and identifying its platinum, hydrogen and aqueous proton components.

Syllabus
2028–2030
Course
Chemistry 9701
Level
A2

Exam points

  • show an inert platinised platinum electrode in contact with 1 mol dm−3 H+(aq)
  • deliver H2 gas at standard pressure over the platinum surface at the standard temperature
  • connect the half-cell through a salt bridge and voltmeter when comparing it with another electrode

24.2.2—Standard hydrogen electrode question 1

[Maximum number: 1]

Some electrode potentials are shown in Table 3.1.

Table 3.1

Table 3.1

Complete the diagram to show a standard hydrogen electrode.

Label your diagram. Identify all substances. You do not need to state standard conditions.

Figure for Question 24.2.2—Standard hydrogen electrode question 1 — CAIE A-Level Chemistry A2
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