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Cambridge IGCSE Chemistry practice

Paper 4 structured question: Transition elements

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Transition elements

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Paper 4Theory (Extended)1 marks

Iron is a transition metal that can exist in multiple oxidation states.

Description

Oxidation States of Iron

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

  1. a

    State the two common oxidation states of iron.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Transition elements

Paper 4Theory (Extended)4 marks

Description

Iron Oxidation States

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

  1. a

    Discuss the significance of iron's variable oxidation states in chemical reactions.

    Aim for approximately 4 distinct marking points.

    [4]