0
-2 for oxygen. The oxidation number of iron depends on the oxide.
+2 for Fe in FeO.
+3 for Fe in Fe2O3.
+2 and +3 for Fe in Fe3O4. (Note: Fe3O4 can be considered as a mixture of FeO and Fe2O3)
Wiki User
∙ 11y ago
Wiki User
∙ 14y agoThere is no specific rule for the oxidation number for iron II. Iron II is not an alkali metal (+1), an alkali earth metal (+2), Aluminum (+3), a Halogen (-1), Hydrogen (+1 with nonmetals), or Oxygen (-2). It simply depends on the compound it is present in.
Ex: If we have FeO, Oxygen automatically has a charge of -2, so we can deduce that Fe has a charge of +2. However, if we have, hypothetically, a compound of FeO2, Fe would have to have a charge of +4 because of the 2 Oxygen atoms present per molecule.
My answer would be that most of the time its charge would be +2 simply because that's its charge as a cation. However, that is not always the case.
Wiki User
∙ 15y ago3+
Wiki User
∙ 10y ago2+
Add your answer:
Earn +20 pts
What is the oxidation number of iron in ferrousofericoxide?
I am going to assume you meant ferrous oxide. Ferrous oxide is also known as Iron(II) oxide and has the formula unit FeO. The oxidation number of iron in iron(II) oxide is +2.
What is the oxidation number of an iron atom in Fe3O4?
This is iron II, III oxide and features iron in both the 2+ and 3+ oxidation states.
What chemical combination of a substance with oxygen is?
This is called oxidation, i.e. when iron reacts with oxygen iron oxide is formed. Also, combustion could be included: methane + oxygen -> carbon dioxide + water
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.
Chemical Name for FeO?
No such compound exists. If it did it would be iron VI oxide, but iron cannot reach such a high oxidation state. Perhaps you mean Fe2O3, iron III oxide.
What is the oxidation number of iron(II) oxide?
I am going to assume you meant ferrous oxide. Ferrous oxide is also known as Iron(II) oxide and has the formula unit FeO. The oxidation number of iron in iron(II) oxide is +2.
What is the oxidation number of iron in ferrousofericoxide?
I am going to assume you meant ferrous oxide. Ferrous oxide is also known as Iron(II) oxide and has the formula unit FeO. The oxidation number of iron in iron(II) oxide is +2.
What is the oxidation number of an iron atom in Fe3O4?
This is iron II, III oxide and features iron in both the 2+ and 3+ oxidation states.
What is the oxidation number for Iron 2 oxide?
the common name for most iron oxides is rust
What happens to iron when iron oxide becomes elemental iron?
oxidation
What chemical combination of a substance with oxygen is?
This is called oxidation, i.e. when iron reacts with oxygen iron oxide is formed. Also, combustion could be included: methane + oxygen -> carbon dioxide + water
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.
Chemical Name for FeO?
No such compound exists. If it did it would be iron VI oxide, but iron cannot reach such a high oxidation state. Perhaps you mean Fe2O3, iron III oxide.
Rust is the oxidation of?
Rust is the oxidation of iron metal or just iron. Rust is actually iron oxide. It's chemical symbol is Fe2O3.
What is the oxidation number of Mn in manganese VII oxide?
The oxidation number of Mn in manganese VII oxide is +7.
If iron were to bond with oxygen predict the formula for each oxidation number of iron?
feo2 feo3 feo4
Hematite can form as a result of the process of oxidation?
Yes Hematite is an oxide of iron and is formed by its oxidation.
