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Oxidation states of the metal in the minerals haematite and ma
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Oxidation states of the metal in the minerals haematite and magnetite, respectively, are

A
II, III in haematite and III in magnetite

B
II, III in haematite and II in magnetite

C
II in haematite and II, III in magnetite

D
III in haematite and II, III in magnetite

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JEE Advanced 2011

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Haematite is , in which oxidation number of iron is III. Magnetite is which is infact a mixed oxide ( ), hence iron is present in both II and III oxidation state.
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Question Text
Oxidation states of the metal in the minerals haematite and magnetite, respectively, are
TopicGeneral Principles and Processes of Isolation of Elements
SubjectChemistry
ClassClass 12
Answer TypeText solution:1
Upvotes63