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Date November 2021 Marks available 1 Reference code 21N.1.sl.TZ0.23
Level SL Paper 1 Time zone TZ0
Command term Identify Question number 23 Adapted from N/A

Question

Which statement is correct about the electrolysis of molten lead(II) bromide, PbBr2?


A.  Br ions accept electrons at the cathode (negative electrode).

B.  Pb2+ ions accept electrons at the anode (positive electrode).

C.  Br ions lose electrons at the anode (positive electrode).

D.  Pb2+ ions lose electrons at the cathode (negative electrode).

Markscheme

C

Examiners report

[N/A]

Syllabus sections

Core » Topic 9: Redox processes » 9.2 Electrochemical cells
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