Oxidation number of iron in Hematite, Magnetite and Siderite respectively is :

Options

A. `+3, + (5)/(2)` and + 1
B. `+2, + 1` and + 3
C. `+3, + (4)/(3)` and + 3
D. `+ 3, + (8)/(3)` and + 2

Answer

D

Explanation

In Hematite `(Fe_(2)O_(3))`, Iron present in + 3 state
In Magnetite `(Fe_(3) O_(4))`, Iron present in `+ (8)/(3)` state.
In siderite `(FeCO_(3))`, Iron present in + 2 state.