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Chlorine: Difference between revisions
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== History == | == History == | ||
In 1774, '''Karl Wilhelm Scheele''' discovered Chlorine. Scheels thoguth that chlorine was an oxie of murium, or hydrochloric acid. Scheeles experienced to heat manganese dioxide and hydrochloric acid. From this experiment he discoverd greenish, yellow gas, called chlorine. | In 1774, '''Karl Wilhelm Scheele''' discovered Chlorine. Scheels thoguth that chlorine was an oxie of murium, or hydrochloric acid. Scheeles experienced to heat manganese dioxide and hydrochloric acid. From this experiment he discoverd greenish, yellow gas, called chlorine. However, Scheeles did not place chlorine as an element. In 1810, '''Humphrey Davy''' named chlorine and established as an element. It was named after the Greek word chloros, which means pale green. | ||
'''Word War I ''' <Br> | |||
It was first introduced as a weapon on April 22, 1915 at Ypres by the Germans. The results of this weapon were disastrous because gas makes had not yet been invented. But, some compounds of chlorine are more dangerous and have replaced chlorine gas on the battle field. They are phosgene, chloropicrin, Lewsite, and mustard gas.<br> | |||
Chlorine was discovered in 1774 by Carl Wilhelm Scheele. He obtained it through the reaction of the mineral pyrolusite (manganese dioxide, MnO2) with hydrochloric acid (HCl, then known as muriatic acid). Scheele thought the resulting gas contained oxygen. Sir Humphry Davy proposed and confirmed chlorine to be an element in 1810, and he also named the element.<br> | Chlorine was discovered in 1774 by Carl Wilhelm Scheele. He obtained it through the reaction of the mineral pyrolusite (manganese dioxide, MnO2) with hydrochloric acid (HCl, then known as muriatic acid). Scheele thought the resulting gas contained oxygen. Sir Humphry Davy proposed and confirmed chlorine to be an element in 1810, and he also named the element.<br> | ||
