Metals below carbon in the reactivity series

3 marks · Easy

(a)

State the reducing agent used to extract iron from iron(III) oxide in the blast furnace.

[1 mark]

(b)

Write the chemical formula for iron(III) oxide.

[1 mark]

(c)

Name the process by which iron(III) oxide is converted to iron during extraction.

[1 mark]

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(a) Carbon monoxide

(b) Fe2O3

Common mistakes: FeO instead of Fe2O3; Naming carbon instead of carbon monoxide

Show mark scheme and worked solution

Marking points

B1 (a) · 1 mark · States 'carbon monoxide' as the reducing agent.

B1 (b) · 1 mark · Gives correct formula: Fe2O3.

B1 (c) · 1 mark · States the process is 'reduction'.

Worked solution

(a) The reducing agent is carbon monoxide. (b) The formula for iron(III) oxide is Fe2O3. (c) Iron(III) oxide is converted to iron by reduction.