CAIE IGCSE Chemistry Ordering Metals by Reactivity

Practise recalling the metal reactivity series and applying relative positions to choose displacement outcomes, simple-cell voltages or extraction routes.

Exam points

recall the stated order from potassium through carbon and hydrogen to silver and gold
use wider separation in the series to predict a larger simple-cell voltage
use relative position to decide which metal reduces another metal oxide or displaces its ions

[Maximum number: 2]

This question is about chemical reactions and electricity.

(a)

The reading on the voltmeter can be increased if either zinc or iron is replaced by another metal.

[ 2 ]

(i)

Name a metal that can replace zinc and increase the reading on the voltmeter.

[ 1 ]

(ii)

Name a metal that can replace iron and increase the reading on the voltmeter.

[ 1 ]

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9.4.1—Order of the reactivity series as question 1

Question (a)

Question (i)

Question (ii)