The chemical formula for chlorine gas is<img style="font-size: 12pt;" src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXefx-V4MluMdNUH49AhK27gpAR64O34hwv2pERqKbHxYu1RW13RDqlXN3jSjf5o4kzuWlTzlQtht-noQbaaK3bTNobHhW9k9hFS6ZHp5p90QUXpGjQztBdJKjwNk9AkqmZf4YbCNH9WjN87LV56FZKu6xLq?key=lCOupDh78jZYBdl4JQj1nw" width="36" height="27">
It is diatomic in nature and a halogen belonging to the periodic table. Its typical yellow-green color with an odor characterized as pungent dominates its physical properties. <a href="https://www.orchidsinternationalschool.com/chemistry-formula/chlorine-formula">Chlorine </a>gas is used primarily for disinfection and as a chemical intermediate in various industrial processes.
<h2 dir="ltr">Physical Properties</h2>
Molecular Weight: Approximately 70.91 g/mol.
Appearance: Chlorine at room temperature is a greenish-yellow gas and has a sharp, irritating smell.
Boiling Point: Approximately -34.04 &deg;C (-29.27 &deg;F).
Melting Point: Practically about -101.5 &deg;C (-150.7 &deg;F).
Density: The density of chlorine gas is approximately 3.214 g/L under standard temperature and pressure, which is heavier than air.
Solubility: Chlorine is nearly moderately soluble in water. For example, at 20 &deg;C, approximately 0.7 g of chlorine dissolves in 1 liter of water. The solution forms a mixture of hydrochloric acid (HCl) and hypochlorous acid (HClO).
<h2 dir="ltr">Chemical Properties</h2>
Flammability: Chlorine is a very flammable and very reactive chemical element, particularly active with metals and nonmetals. It can readily combine with nearly any other element through oxidation-reduction reactions.
Oxidizing Agent: Chlorine is an excellent oxidizing agent, so it readily takes electrons in reactions. For example, when chlorine reacts with sodium:
<img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXfkkvtjQ9N-bsrDPWTddq2vm631vq0PCuLb7qra-38HOmQkVE7CPhYVuLYWJ4v0KjTfaV4j87vU-Ub0unQROIH9zOED4Cjm63mcbjx4FbXT48czdOG_EwZgNWhvrED7PLxf9n0kq5qlqmR7XGFRhNUg7lb5?key=lCOupDh78jZYBdl4JQj1nw" width="176" height="30">
Disinfection: Chlorine can also react with water in the following reaction to form hypochlorous acid and hydrochloric acid:
<img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXdtyuzF1H5OKQyTahBIFtLCRhw6-M9rKjiZy4pE1GqzTJqtGqiooG_fl5Knrah_eR-URZuwq_ioPBI6N66uPIfv9e0IyuXK2-ph1DiPQoJqJbrgCH-G0tQKvL7-s1-5h7EnJJppIyl_1GKrrh6KbPLbg6U?key=lCOupDh78jZYBdl4JQj1nw" width="222" height="27">
This reaction is very important in the water treatment process, because hypochlorous acid is a good disinfectant.
Chlorination: Chlorine can act with organic compounds causing chlorinated hydrocarbons, which often find applications in pesticides and solvents. Some of the examples include:
<img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXd2bJL7Cjv3KBE_w_45G7Oa-29M0kGgszAuaxR3bUcAo7VqUOEpbdmCV5qvBMMWTxUrDqg5agU9ZRzA5dN62zm-rFAvthNl0nzo51biodQ1gGYCJ4tRBz4NWyF45zvmx7kO4R1mBEau6CauPBkmH5FEmFuS?key=lCOupDh78jZYBdl4JQj1nw" width="259" height="31">
<h2 dir="ltr">Application</h2>
Chlorine gas has several basic applications
Water Purification: One of the largest utilizes of chlorine is to disinfect drinking water and swimming pools. It easily kills bacteria, viruses, and other pathogens, making water safe to drink.
Bleaches: Chlorine-based agents, sodium hypochlorite, are used in household bleaches.
Solvents: Chlorinated solvents, carbon tetrachloride and trichloroethylene, are used in industrial applications.
Pesticides and Herbicides: It is the primary feedstock in the manufacture of many agrochemicals that safeguard crops from pests and weeds.
Drug Preparations: Most drugs are incorporated with chlorine in their molecule, making the chemical effective and stable.
Polyvinyl Chloride:&nbsp;PVC Production: Chlorine plays an essential role in producing the widely used plastics in the construction of homes, piping for water, and electrical insulation.
<h2 dir="ltr">Conclusion</h2>
Chlorine gas may be toxic and corrosive; however, it is still a very important chemical in application because it contributes towards water treatment and manufacturing of chemicals. Its distinctive properties make it function effectively as an antiseptic and reagent in the synthesis of many compounds. For it is an extremely versatile chemical building block that has been encouraged by the industrial processes, but the role that chlorine plays in promoting public health through water sanitation cannot be overemphasized. The properties and uses of chlorine again illustrate the benefits versus the need for careful handling because of its reactivity and possible dangers. Thus, chlorine gas is one of the most impressive examples of how something as simple as a diatomic molecule can have such great implications across different sectors.
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Chlorine Gas Formula

Chlorine Gas Formula: Learn all about the Chlorine Gas Formula applications, uses & more by Orchids International.