--- title: "What year was Chlorine invented and how?" description: "What year was Chlorine invented and how?" author: "Gurmeet Kaur" published: 2018-08-29 canonical: https://answers.mindstick.com/qa/49122/what-year-was-chlorine-invented-and-how category: "innovation, discovery and technology" tags: ["innovation, discovery and technology"] reading_time: 2 minutes --- # What year was Chlorine invented and how? What year was Chlorine invented and how?\ \ \ ## Answers ### Answer by UTKARSHA SINGHROUL The **discovery of Chlorine has been credited to “Carl Wilhelm Scheele”**, in the year 1774. Whereas, **the name Chlorine has been given by “Sir Humphry Davy”** in the year 1810. ![What year was Chlorine invented and how?](https://answers.mindstick.com/QuestionAnswer/3d62dbb5-7804-482e-aef1-f34787600c3a/images/c837feb7-6dea-4468-9f0e-d6a503c14185.jpeg)\ Scheele **discovered the Chorine unknowingly while performing an [experiment](https://answers.mindstick.com/qa/43405/who-created-the-holy-experiment)** he released few drops of Hydrochloric Acid (HCl) over a piece of Manganese Dioxide. Then, he witnessed the greenish-yellow color of gas released. While at that time he didn’t have any idea that he just discovered the Chlorine. **All the features of Chlorine have been recognized after many decades passed by the English Chemist Sir Humphry Davy**. Before this, people were only knowing it as the compound of [Oxygen](https://answers.mindstick.com/qa/49173/who-discover-oxygen). So, Davy gave it the name with its feature of greenish-yellow color. Then, **in 1810, he suggested the name for gas as ‘Chloric Gas’ or ‘Chlorine’**. **Chlorine is a good and economical germ-killer**. Chlorine disinfectant kills various dangerous germs in homes, hospitals, swimming pool, restaurants, hotels, and various public places. It is also used very effectively in Water Purification. Usually, in nature, **Chlorine can be found combined with other [elements](https://answers.mindstick.com/qa/49567/which-scientist-discovered-the-radioactive-element-radium), maximally with Sodium in the form of Common Salt i.e. NaCl** and also in Carnallite, and Sylvite. Chlorine is a highly reactive gas. The **[Atomic Number](https://answers.mindstick.com/qa/35762/atomic-number-is-represented-by-which-letter) of Chlorine is 17**. It belongs to the group of Halogen gases and is a reactive Non-metal. It exists in the form of ‘Gas’. Its **properties are quite similar to Fluorine, Bromine, and Iodine**. Like all Halogen gases, it is also **very reactive** and **is a strong Oxidizing Agent** whereas, it is more reactive than Bromine and less reactive than Fluorine. **The extreme use of Chlorine is very harmful** for the user whether it is plants, [environment](https://yourviews.mindstick.com/view/305/clean-kumbh-mela-a-reality-check), water, land, human, or anything. Whereas, the limited and defined use of Chlorine in any field or with human works very effectively and can give positive results as well. --- Original Source: https://answers.mindstick.com/qa/49122/what-year-was-chlorine-invented-and-how Copyright © MindStick Software Pvt. Ltd. This Markdown version is provided for developers, AI systems, and offline reading.