Question 1
Identify which of the following correctly describes the role of an external electrical potential difference in an electrolytic cell.
Worked answer
🔒 Start free to see full answer
Chemistry · Unit 3 · Oxidation and reduction · Redox reactions
Identify that electrolytic cells use an external electrical potential difference to pr ovide the energy to allow a non-spontaneous redox reaction to occur.
Practise this objective
AI-marked practice questions tied to QCAA mark schemes for this exact LO. Free to start.
Start free practicePractice questions for this objective
Full questions, answers and worked solutions unlock when you start a free practice session.
Question 2
Identify why an external electrical potential difference is required to drive the electrolysis of molten sodium chloride.
Worked answer
🔒 Start free to see full answer
Question 3
Which statement correctly explains the role of the external power supply in an electrolytic cell?
Worked answer
🔒 Start free to see full answer
More in Redox reactions
← Previous
Identify that displacement reactions of metals, combustion, corrosion and electrochemical processes, can be modelled as redox reactions involving oxidation of one substance and reduction of another substance.
Next →
Identify that galvanic cells generate an electrical potential difference from a s pontaneous redox reaction.