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Oxidation States of Lanthanides

11. Due to me...

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11. Due to metal deficiency defect, iron forms a non stoichiometric composition in which iron is present in +2 and +3 state. In this oxide 15percent iron is present in +3 oxidation state. The formula of oxide is

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Q. Due to metal deficiency defect, iron forms a non-stoichiometric composition in which iron is present in +2 and +3 oxidation state. In this oxide 15% iron is present in +3 oxidation state. In this oxide 15% iron is present in +3 oxidation state. The formula of oxide is:

F e_{0.95} O

can be due to presence of iron in

+ 2

+ 3

oxidation numbers. Then iron present in

+ 3

oxidation state will be

Q. The composition of a sample of iron oxide is

F e_{0.93} O_{1.0}

. What percentage of iron is present in the form of Fe(III)?

Q. In which of the following, iron is present in its lowest oxidation state?

Q. The correct statement about iron includes
(I) the highest oxidation state of iron is

+ 6

K_{2} F e O_{4}

(II) that the iron shows

+ 2

oxidation state with six electrons in the

3 d

orbitals
(III) the common oxidation state of iron is

+ 3

with five unpaired electrons in the

3 d

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Oxidation States of Lanthanides

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