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It has both +3 and +2 oxidation states

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Iron has both +2 and +3 oxidation states.

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Q: Calculate the oxidation number of Fe in Fe3O4?
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Oxidation numbers of Fe?

Fe3O4 can be considered to be 1:1 mixture of FeO and Fe2O3. Oxidation number in FeO: +2 for Fe and -2 of O Oxidation number in Fe2O3: +3 for Fe and -2 of O


What is valency of iron in Fe3O4?

the valance number of iron is 3 why,becouse in the formula after iron there is 3.the question ask you what is the valency of Fe3O4....


Can the oxidation number of an element in a compound be a fraction?

No. it can't be fractional. However you can get fractional answers uch as Fe in Fe3O4 where the average oxidation state is 2.666.... You need to know something about the structure that will tell you what oxidation numbers of the Fe in this case two Fe with +3 and one Fe with +2 in each formula unit.


What is the oxidation number of Fe in K3Fe CN6?

a)3 b)2 c)1 d)4 Fe is the transitional metal K3[Fe(CN)6] , we know that Potassium, K, has an oxidation number of +1 The oxidation number of CN= -1, so 6*CN has an oxidation number of -6 so therefore Fe - 6 = -3 Fe = -3 + 6 = +3 The oxidation number of Fe is +3. so A


What is the oxidation number for Fe in FeBr2?

+2 O.S. of Fe


What is the oxidation number to each element FeCl3?

It contains only two elements. Fe shows +3 number. Chlorine shows -1 as the oxidation number.


What is the Oxidation state of Fe in FeCl3?

oxidation state of Fe in FeCl3 is +3. Cl has oxidation number -1 in this case Fe share 3 electrons with Cl so its oxidation state is +3.


What is the oxidation number of the Fe in FeO?

+2 for Fe, -2 for O


How can magnetite form if oxygen's valency is 2?

This is possible because in the crystaline solid magnetite(Fe3O4), the Fe atoms are bonded to oxygen in a complex fashion that is a combination of Fe in its two oxidation states (+3 and +2)


What is oxidation number of Fe in the compounds Fe2S3?

+3 for Fe -2 for S


What is the oxidation number for Fe in FeBr?

Fe has an oxidation number of+2 in ferrous salts+3 in ferric saltsAs Br has an oxidation number of -1 in bromide, only two salts of Fe with Br are possible:FeBr2 = ferrous bromideFeBr3 = ferric bromideand FeBr DOES NOT EXIST


When the equation Fe3O4 plus Al - Al2O3 plus Fe is correctly balanced what is the coefficient of Fe?

The balanced equation is 3 Fe3O4 + 8 Al -> 4 Al2O3 + 9 Fe. Therefore, the coefficient of Fe is 9.