DP Chemistry (last assessment 2024)

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Question 17N.2.sl.TZ0.e.iii

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Date November 2017 Marks available [Maximum mark: 2] Reference code 17N.2.sl.TZ0.e.iii
Level sl Paper 2 Time zone TZ0
Command term Draw, Label Question number e.iii Adapted from N/A
e.iii.
[Maximum mark: 2]
17N.2.sl.TZ0.e.iii

The Activity series lists the metal in order of reactivity.

The voltaic cell stated in part (ii) is partially shown below.

Draw and label the connections needed to show the direction of electron movement and ion flow between the two half-cells.

[2]

Markscheme

wire between electrodes AND labelled salt bridge in contact with both electrolytes

anions to right (salt bridge)
OR
cations to left (salt bridge)
OR
arrow from Mn to Ni (on wire or next to it)

Electrodes can be connected directly or through voltmeter/ammeter/light bulb, but not a battery/power supply.

Accept ions or a specific salt as the label of the salt bridge.

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