Cambridge IGCSE Chemistry practice

Paper 4 structured question: Transition elements

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Transition elements

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Paper 4Theory (Extended)4 marks

Iron's oxidation states play a significant role in its chemistry.

Description

Discuss the implications of iron's +2 and +3 oxidation states in chemical reactions.

a
Discuss the significance of iron's variable oxidation states in chemical reactions.
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[4]

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Paper 4Theory (Extended)1 marks

Description

Iron can exist in +2 and +3 oxidation states, which affect its chemical properties and reactions.

a
State the two common oxidation states of iron.
Your answer
Aim for approximately 1 distinct marking point.
[1]