In chromite ore, the oxidation number of iron and chromium are respectively

Question

Options:

A . +3, +2

B . +3, +2

C . +2, +6

D . +2, +3.

Answer: Option D
:
D
Chromite ore is

F e C r_{2} O_{4}

F e O . C r_{2} O_{3}

. Oxidation state of Fe = +2, Cr= +3.

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