chemical formula of iron oxide are given below
- iron(II) oxide (FeO)
- iron(III) oxide (Fe2O3)
Physical Properties of Iron Oxide:
| Property |
Details |
| Appearance |
Powdery or crystalline solid |
| Boiling Point |
Varies depending on the type of iron oxide |
| Color |
Reddish-brown or black |
| Conductivity |
Poor electrical and thermal conductivity |
| Crystal Structure |
Varies depending on the type of iron oxide |
| Density |
Varies depending on the type of iron oxide |
| Hardness |
Varies depending on the type of iron oxide |
| Magnetic Properties |
Exhibits ferromagnetic properties |
| Melting Point |
Varies depending on the type of iron oxide |
| Odor |
Odorless |
| Solubility |
Insoluble in water and most solvents |
| Specific Gravity |
Varies depending on the type of iron oxide |
| State |
Solid |
Chemical Properties of Iron Oxide:
| Property |
Details |
| Acid/Base Properties |
Can act as a weak Lewis acid in some reactions |
| Combustibility |
Non-combustible |
| Corrosion |
Iron oxides can cause corrosion of metals and alloys |
| Hygroscopicity |
Iron oxide powders can absorb moisture from the air |
| Oxidation/Reduction |
Iron(III) oxide can be reduced to iron metal |
| Photocatalytic Activity |
Certain types of iron oxide can exhibit photocatalytic properties |
| Reaction with Water |
Iron(III) oxide reacts slowly with water to form iron(III) hydroxide |
| Reactivity with Acids |
Iron oxides react with strong acids to form salts |
| Reactivity with Bases |
Generally inert, does not react with bases |
| Reactivity with Other Metals |
Can undergo redox reactions with other metals |
| Stability |
Stable under normal conditions |
Reactions of iron oxide with Alkali Metal
| Alkali Metal |
Reaction Equation |
|
| Lithium (Li) |
2Li + Fe2O3 react and convert into 2Li2O + 2Fe |
|
| Sodium (Na) |
4Na + Fe2O3 react and convert into 2Na2O + 2Fe |
|
| Potassium (K) |
4K + Fe2O3 react and convert into 2K2O + 2Fe |
|
| Rubidium (Rb) |
4Rb + Fe2O3 react and convert into 2Rb2O + 2Fe |
|
| Cesium (Cs) |
4Cs + Fe2O3 react and convert into 2Cs2O + 2Fe |
|
Reactions of iron oxide with Alkaline Earth Metal
| Alkaline Earth Metal |
Reaction Equation |
|
| Beryllium (Be) |
No product formed |
|
| Magnesium (Mg) |
3Mg + Fe2O3 react and convert into 3MgO + 2Fe |
|
|
|
|
| Calcium (Ca) |
3Ca + Fe2O3 react and convert into 3CaO + 2Fe |
|
| Strontium (Sr) |
3Sr + Fe2O3 react and convert into 3SrO + 2Fe |
|
| Barium (Ba) |
3Ba + Fe2O3 react and convert into 3BaO + 2Fe |
|
| Radium (Ra) |
No product formed |
|
Reactions of iron oxide with Transition Metal
| Transition Metal |
Reaction Equation |
|
| Scandium (Sc) |
No product formed |
|
| Titanium (Ti) |
No product formed |
|
| Vanadium (V) |
No product formed |
|
| Chromium (Cr) |
No product formed |
|
| Manganese (Mn) |
3Mn + Fe2O3 react and convert into 3MnO + 2Fe |
|
| Iron (Fe) |
No product formed |
|
| Cobalt (Co) |
No product formed |
|
| Nickel (Ni) |
No product formed |
|
| Copper (Cu) |
3Cu + Fe2O3 react and convert into 3CuO + 2Fe |
|
| Zinc (Zn) |
No product formed |
|
| Yttrium (Y) |
No product formed |
|
| Zirconium (Zr) |
No product formed |
|
| Niobium (Nb) |
No product formed |
|
| Molybdenum (Mo) |
No product formed |
|
| Technetium (Tc) |
No product formed |
|
| Ruthenium (Ru) |
No product formed |
|
| Rhodium (Rh) |
No product formed |
|
| Palladium (Pd) |
No product formed |
|
| Silver (Ag) |
3Ag + Fe2O3 react and convert into 3Ag2O + 2Fe |
|
| Cadmium (Cd) |
No product formed |
|
| Hafnium (Hf) |
No product formed |
|
| Tantalum (Ta) |
No product formed |
|
| Tungsten (W) |
No product formed |
|
| Rhenium (Re) |
No product formed |
|
| Osmium (Os) |
No product formed |
|
| Iridium (Ir) |
No product formed |
|
| Platinum (Pt) |
No product formed |
|
| Gold (Au) |
3Au + Fe2O3 react and convert into 3Au2O3 + 2Fe |
|
| Mercury (Hg) |
No product formed |
|
| Rutherfordium (Rf) |
No product formed |
|
| Dubnium (Db) |
No product formed |
|
| Seaborgium (Sg) |
No product formed |
|
| Bohrium (Bh) |
No product formed |
|
| Hassium (Hs) |
No product formed |
|
| Meitnerium (Mt) |
No product formed |
|
| Darmstadtium |
|
|
Reactions of iron oxide with Non-Transition Metal
| Non-Transition Metal |
Reaction Equation |
|
| Aluminum (Al) |
2Al + Fe2O3 react and convert into Al2O3 + 2Fe |
|
| Gallium (Ga) |
2Ga + Fe2O3 react and convert into Ga2O3 + 2Fe |
|
| Indium (In) |
2In + Fe2O3 react and convert into In2O3 + 2Fe |
|
| Tin (Sn) |
2Sn + Fe2O3 react and convert into SnO2 + 2Fe |
|
| Thallium (Tl) |
2Tl + Fe2O3 react and convert into Tl2O3 + 2Fe |
|
| Lead (Pb) |
2Pb + Fe2O3 react and convert into PbO + PbFe2O4 |
|
| Bismuth (Bi) |
No product formed |
|
| Polonium (Po) |
No product formed |
|
Reactions of iron oxide with Non-Metal
| Non-Metal |
Reaction Equation |
|
| Hydrogen (H2) |
3H2 + Fe2O3 react and convert into Fe2O3 + 3H2O |
|
| Carbon (C) |
No product formed |
|
| Nitrogen (N2) |
No product formed |
|
| Oxygen (O2) |
No product formed |
|
| Fluorine (F2) |
No product formed |
|
| Phosphorus (P4) |
No product formed |
|
| Sulfur (S8) |
No product formed |
|
| Chlorine (Cl2) |
No product formed |
|
| Bromine (Br2) |
No product formed |
|
| Iodine (I2) |
No product formed |
|
| Noble Gases |
No product formed |
|
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