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CHLORINE

Discovery of Chlorine

Chlorine was discovered in its gaseous form in 1774 by Karl W. Scheele, a Swedish Chemist, when he heated a black oxide of Manganese with Hydrochloric acid.

                                                             Heat

MnO2    +    4HCl            ———————–>    MnCl2   +  Cl2   +   2H2O

chlorine preparation

The chlorine thus liberated is a strong-smelling,greenish-yellow gas with a pungent odor ; it is extremely irritating to mucous membranes.

Chlorine is in the group of Hydrogen family. Chlorine is the most unusual and versatile chemical, since chlorine properties different from its stages like Gaseous, Liquid and aqueous. For that reason only its each states will be treated separately.

Chlorine  is a group of Halogen family, Chlorine  is available in nature with combined form. Chlorine is probably to account for fifteen percent of the earth’s crust in the form of soluble chlorides, such as

  • Sodium chloride ,

  • Carnallite   Hydrated Potassium Magnesium Chloride KMgCl3.6H2O and

  • Sylvite

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4 Responses to “CHLORINE”

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  3. edina herson says:

    what is the function of hydrogen gas in the body of the human being

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