Oct 15, 2023 · Another similar question is : why does a strange compound like $\ce {Fe3O4}$ exist ? Why is Iron (plus one or two other metals) able to make an oxide containing the same element at two …

Aug 2, 2017 · How do you explain the formula Fe3O4 using the ionic compound theory? Ask Question Asked 8 years, 5 months ago Modified 8 years, 5 months ago

Apr 25, 2024 · Fe3O4 is a mixed oxide. This compound can be formed by different chemical means. Will mixing FeO and Fe2O3 at room temperature or at certain conditions form Fe3O4 ? Is there any …

May 1, 2023 · Fe combines with O in a whole number ratio 3:2. Even the ions Fe2+ and Fe3+ are in the ratio 1:2. Then, why Fe3O4 is a non-stoichiometric compound?

Question: 3. Magnetite, Fe3O4, (Molar Mass = 232 g.moll) can be reduced to iron (Fe, Awt = 56 g.mol by heating Fe3O4 with carbon monoxide according to the equation: Fe3O4 (s) + 4CO (g) → 3Fe (s) …

Apr 6, 2016 · Actually, Fe3O4 has a crystal structure (an extended geometrically regular array) of Fe (III), Fe (II) and oxide ions in which the oxide ions exist in a cubic close packed pattern with the Fe …

Feb 27, 2018 · If oxygen has a valency of $-2$, $4$ of it would result in $-8$. But iron doesn't have a (variable) valency of anything that goes to $-8$. Then how is $\\ce{Fe3O4}$ possible?

Oxidation state of Fe in Fe3O4 is 8/3. What about the oxidation no. of Fe in Fe3O4?

Science Chemistry Chemistry questions and answers Iron ores often contain magnetite, Fe3O4. If an iron ore contains 45.0%Fe3O4 by mass, how many kilograms of iron ore need to be processed to …

EXERCISES An ore containing magnetite, Fe3O4, was analyzed by dissolving a 1.5419-g sample in concentrated HCl, giving a mixture of Fe2+ and Fe3+. After adding HNO3 to oxidize any Fe2+ to …