- Definition of K2O7S2
K2O7S2, also known as Potassium heptaoxodisulphate, is a chemical compound composed of two atoms of potassium (K), seven atoms of oxygen (O), and two atoms of sulfur (S).
1.1 Names
1.1.1 Common name: Potassium heptaoxodisulphate.
1.1.2 English name: Potassium heptaoxodisulphate.
1.2. Molar mass: 254.32 g/mol.
1.3. Molecular structure: K2O7S2.
1.4 Ion structure: There are two K+ ions and one (SO4)2- ion.
- Characteristics: K2O7S2
2.1 Physical properties of K2O7S2
State: Solid.
Colour: White.
Odour: Odourless.
pH: Not applicable.
2.2 Chemical properties of K2O7S2: It is mainly used as a strong bleach, strong reductant, and strong oxidant.
- Common chemical reactions of K2O7S2
The chemical reactions of K2O7S2 often involve oxidation or reduction processes. However, it should be noted that K2O7S2 does not always participate in chemical reactions.
- Synthesis of K2O7S2
4.1 Laboratory synthesis of K2O7S2: K2O7S2 is synthesized by preparing potassium persulfate (K2S2O8) from potassium bisulfate and then oxidizing it with excess oxygen.
4.2 Industrial synthesis of K2O7S2: In industry, K2O7S2 is usually produced by preparing potassium persulfate from potassium bisulfate and then oxidizing it with excess oxygen.