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Date November 2010 Marks available 1 Reference code 10N.1.sl.TZ0.25
Level SL Paper 1 Time zone TZ0
Command term Question number 25 Adapted from N/A

Question

Which statement is correct for the electrolysis of molten lead iodide, \({\text{Pb}}{{\text{I}}_{\text{2}}}\)?

A.     Chemical energy is converted into electrical energy.

B.     \({\text{P}}{{\text{b}}^{2 + }}\) ions are oxidized at the negative electrode (cathode).

C.     \({{\text{I}}_{\text{2}}}\) is produced at the positive electrode (anode).

D.     Ions are produced at both electrodes.

Markscheme

C

Examiners report

[N/A]

Syllabus sections

Core » Topic 9: Redox processes » 9.2 Electrochemical cells
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