Chemical formula of carbon dioxide is CO2.
Physical Properties of Carbon Dioxide (CO2):
| Properties |
Details |
| Boiling Point |
-57.0°C |
| Color |
Colorless |
| Density |
1.977 g/L (at STP) |
| Melting Point |
-78.5°C |
| Odor |
Odorless |
| Refractive Index |
1.00045 (at 0°C and 1 atm) |
| Solubility |
Soluble in water, forming carbonic acid |
| State |
Gas at standard temperature and pressure (STP) |
| Thermal Conductivity |
Low |
Chemical Properties of Carbon Dioxide (CO2):
| Properties |
Details |
| Acid/Base Properties |
Forms carbonic acid (H2CO3) when dissolved in water, making it weakly acidic |
| Chemical Formula |
CO2 |
| Chemical Reactions |
Can participate in reactions such as carbonation (formation of carbonates/bicarbonates), reaction with bases, etc. |
| Combustibility |
Non-combustible |
| Combustion Products |
Carbon dioxide and water vapor |
| Molecular Weight |
44.01 g/mol |
| Oxidizing Properties |
Not a strong oxidizing agent |
| Reactivity |
Relatively inert, non-flammable and non-reactive at room temperature |
| Solubility |
Highly soluble in water, forming carbonic acid (H2CO3) |
| Stability |
Stable under normal conditions |
| Toxicity |
High concentrations can be harmful and cause asphyxiation |
Reaction of carbon dioxide with Alkali Metal
| Alkali Metal |
Reaction with Carbon Dioxide |
| Lithium (Li) |
2Li + CO2 react and change into Li2CO3 |
| Sodium (Na) |
2Na + CO2 react and change into Na2CO3 + C (or Na2O + C) |
| Potassium (K) |
2K + CO2 react and change into K2CO3 + C (or K2O + C) |
| Rubidium (Rb) |
2Rb + CO2 react and change into Rb2CO3 + C (or Rb2O + C) |
| Cesium (Cs) |
2Cs + CO2 react and change into Cs2CO3 + C (or Cs2O + C) |
| Francium (Fr) |
No product |
Reaction of carbon dioxide with Alkaline Earth Metal
| Alkaline Earth Metal |
Reaction with Carbon Dioxide |
| Beryllium (Be) |
BeO + CO2 react and change into BeCO3 |
| Magnesium (Mg) |
Mg + CO2 react and change into MgO + C (or MgO + CO) |
| Calcium (Ca) |
Ca + CO2 react and change into CaCO3 |
| Strontium (Sr) |
Sr + CO2 react and change into SrCO3 |
| Barium (Ba) |
Ba + CO2 react and change into BaCO3 |
Reaction of carbon dioxide with Transition Metal
| Transition Metal |
Reaction with Carbon Dioxide |
| Iron (Fe) |
3Fe + 2CO2 react and change into Fe3O4 + 2CO |
| Cobalt (Co) |
Co + CO2 react and change into CoO + C |
| Nickel (Ni) |
Ni + CO2 react and change into NiO + C |
| Copper (Cu) |
Cu + CO2 react and change into CuO + C |
| Zinc (Zn) |
Zn + CO2 react and change into ZnO + C |
Reaction of carbon dioxide with Non-Transition Metal
| Non-Transition Metal |
Reaction with Carbon Dioxide |
| Aluminum (Al) |
4Al + 3CO2 react and change into 2Al2O3 + 3C |
| Silicon (Si) |
Si + 2CO2 react and change into SiO2 + 2C |
| Tin (Sn) |
Sn + 2CO2 react and change into SnO2 + 2C |
| Lead (Pb) |
Pb + CO2 react and change into PbO + C |
Reaction of carbon dioxide with Non-Metal
| Non-Metal |
Reaction with Carbon Dioxide |
| Hydrogen (H) |
H2 + CO2 react and change into H2O + CO |
| Carbon (C) |
C + 2CO2 react and change into 2CO |
| Sulfur (S) |
S + 2CO2 react and change into SO2 + 2C |
| Nitrogen (N) |
2N2 + 5CO2 react and change into 4NO + 5CO |
Reaction of carbon dioxide with Metalloid
| Metalloid |
Reaction with Carbon Dioxide |
| Boron (B) |
B2O3 + 3CO2 react and change into 2BCO3 |
| Silicon (Si) |
Si + 2CO2 react and change into SiO2 + 2C |
| Germanium (Ge) |
Ge + 2CO2 react and change into GeO2 + 2C |
| Arsenic (As) |
As + 2CO2 react and change into AsO2 + 2C |
