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

Options

A. II, III in haematie and III in magnetie
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

Answer

D

Explanation

In haematite `(Fe_(2)O_(3))`, Fe is present (III) oxidation state and in magnetite `(Fe_(3)O_(4))Fe` is present in (II) and (III) oxidation state,