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+3 for Fe; -2 for O

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Q: What are oxidation numbers in the following compound fe2o3?
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What are the oxidation numbers of the elements in the following compound of Fe2O3?

100 will be oxidation no.in Fe2O3.


What are the oxidation numbers of the elements fe2o3?

Oxidation numbers in Fe2O3 are respectively: Fe => +3 and O => -2


In the compound Fe2O3 iron's oxidation number is plus 3 and oxygen's oxidation number is .?

Usually, oxygen has an oxidation of -2 (that is unless in a compound with peroxides or halogens).


What are the oxidation numbers of the elements in Fe2O3?

study island answer is +3 -2


What are the oxidation numbers of the elements in the Fe2O3?

study island answer is +3 -2


In the compound Fe2O3 iron's oxidation number is while oxygen's oxidation number is -2.?

it is +2 it is also done by causing rust


In the compound Fe2O3 irons oxidation number is while oxygens oxidation number is 2?

The oxidation number of iron in this compound is 3. The oxidation numbers of the total oxygen atoms and the total iron atoms must be the same in a neutral compound. There are three oxygen atoms, giving a total for oxygen of 3 X 2 = 6. There are only two iron atoms; therefore, each one must have an oxidation number of 6/2 = 3.


What are Iron III oxide oxidation numbers?

Fe2O3 +3 for each Fe -2 for each O


Is Fe2O3 is a molecular compound?

No, Fe2O3 is ionic


How are oxidation number determined and used?

This may best be demonstrated by example: Here are two forms (read: oxidation numbers) of iron, as FeO and Fe2O3. Because we know oxygen has a -2 charge per atom, the oxidation number of Fe in FeO is II. As for Fe2O3, we know that the oxidation number of Fe is III; there is no charge on the compound, so the two iron molecules must equally offset the -6 charge from the three oxygen atoms. Oxidation numbers are written as roman numerals. You would write these two forms of iron oxide as iron(II) oxide and iron(III) oxide, respectively. Oxidation states are the (+) or (-) charges written as a superscript.


What the answer for FeS2 plus O2 - and get Fe2O3 plus SO2?

That is an oxidation reaction (I am translating the numbers into subscripts) which in this case is also called rusting.


What is the difference between FeO and Fe2O3?

FeO is iron II oxide or ferrous oxide. In this compound iron forms a 2+ ion which combines with oxygen(which forms a 2- ion) in a 1:1 ratio Fe2O3 is iron III oxide or ferric oxide. In this compound iron forms a 3+ ion which combine with oxygen (again a 2- ion) in a 2:3 ratio. In Fe2O3 iron is in its highest oxidation state. FeO is black, Fe2O3 is red. Fe2O3 is more common. FeO is a better conductor than Fe2O3.