Quelpr
2 marksElectrochemistry

CSEC Chemistry · January 2015 · Paper 2 · Question 4(a)(i)

Electrolysis has various applications, including metal extraction and corrosion protection.

Define the term 'electrolysis'.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 4(a)(ii)Describe what happens during the electrolysis of molten sodium chloride. Support your answer with relevant balanced ionic equations.[4 marks]
  2. 4(b)Aqueous sodium chloride can be electrolysed using inert electrodes. Discuss the effect that the position of ions in the electrochemical series has on the…[3 marks]
  3. 4(c)Aluminium is made corrosion resistant by anodizing it. Using a labelled diagram and equations, explain what happens during the anodizing of aluminium.[6 marks]

More practice: the rest of this paper · more Electrochemistry questions · all CSEC Chemistry past papers