Phosphorus (P4) molecules interact with water vapor at 70 ° C to form phosphoric acid and hydrogen.
| March 24, 2021 | education
Phosphorus (P4) molecules interact with water vapor at 70 ° C to form phosphoric acid and hydrogen. Write the equation for this reaction.
Phosphorus reacts with water vapor according to the following scheme: 2P + 8H2O = 2H3PO4 + 5H2. The reaction takes place on a platinum catalyst at 700-900 degrees Celsius. If we take the P4 molecule, then the reaction looks like this: P4 + 16H2O = 4H3PO4 + 2H2. However, the alotropic modification of phosphorus P4 (white phosphorus) is stable at low temperatures and will not react with water.
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