Chlorine, bromine and iodine were included in one of the natural groups of chemical elements.
| July 17, 2021 | education
Chlorine, bromine and iodine were included in one of the natural groups of chemical elements. Write the chemical formulas of their higher oxides and the reaction equations showing the chemical nature of these oxides (using one of them as an example).
Cl2O7, Br2O7, I2O7
Cl2O7+H2O→2HClO4
Cl2O7+2KOH→2KClO4+H2O
Cl2O7+K2O→2KClO4
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