CAIE IGCSE Chemistry 4.1.3 Products and Observations During Questions

Predict electrode products for molten and aqueous electrolytes using ion discharge rules.

Syllabus
2026–2028
Course
Chemistry 0620

Exam points

  • predict products of molten sodium chloride electrolysis
  • predict products of concentrated aqueous sodium chloride electrolysis
  • compare aqueous and molten electrolyte products
  • identify cathode and anode products with inert electrodes
  • apply selective discharge rules to electrolysis solutions
  • explain gas formation during sodium chloride electrolysis

CAIE IGCSE Chemistry 4.1.3 Products and Observations During Questions question 1

[Maximum number: 1]

Which substance is not produced during the electrolysis of concentrated aqueous sodium chloride?

A

chlorine

B

hydrogen

C

sodium

D

sodium hydroxide

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