Chemistry and CompoundsSee also category: Chlorine compounds
Chlorine exists in all odd numbered oxidation states from −1 to +7, as well as the elemental state of zero and four in chlorine dioxide (see table below, and also structures in chlorite). Progressing through the states, hydrochloric acid can be oxidized using manganese dioxide, or hydrogen chloride gas oxidized catalytically by air to form elemental chlorine gas.
|−1||chlorides||Cl−||ionic chlorides, organic chlorides, hydrochloric acid|
|+1||hypochlorites||ClO−||sodium hypochlorite, calcium hypochlorite|
|potassium chlorate, chloric acid, dichloryl trisulfate 2.|
|+6||chlorine(VI)||Cl2O6||dichlorine hexoxide (gas). In liquid or solid disproportionates to mix of +5 and +7 oxidation states, as ionic chloryl perchlorate +−|
|perchloric acid, perchlorate salts such as magnesium perchlorate, dichlorine heptoxide|
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