DP Chemistry (last assessment 2024)

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Question 21N.1.sl.TZ0.23

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Date November 2021 Marks available [Maximum mark: 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
23.
[Maximum mark: 1]
21N.1.sl.TZ0.23

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).

[1]

Markscheme

C

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