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Oxidation states of the metal in the min...

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 and III in magnetite.

D

III in haematite and II and III in magnetite.

Text Solution

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The correct Answer is:
D

Haematite : ` Fe_2(III)O_3` , Magnetite : ` Fe_ 3 O _ 4 = FeO. Fe_2 O _ 3 -= Fe (II) O. Fe_ 2 (III) O _3.`
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