– Wear personal protective equipment (Section 7.5.3). Iodin… Uses of sodium chloride: • It is extensively used in food industries as a food preservative and as a taste enhancer. })(); Write CSS OR LESS and hit save. water and its solution is referred as chlorine water. Procedure : A mixture of ethyl alcohol and conc. PCl 3 + Cl 2 → PCl 5 Chemical properties On heating phosphorous pentachloride, it decomposes into phosphorus trichloride and PCl 3 Be the first to rate this post. Describe the properties, preparation, and uses of halogen compounds The elements in group 17 are the halogens. Sodium chloride is used in a freezing mixture. preparation of bleaching powder reaction Bleaching powder is prepared on a large scale by passing the chlorine gas through a solution that contains calcium hydroxide. (BS) Developed by Therithal info, Chennai. QnA , Notes & Videos & sample exam papers Ethene or ethylene is the first member of the unsaturated alliphatic hydrocarbon series, and has a double bond. gcse.type = 'text/javascript'; mixture of air and hydrochloric acid is passed up, Chlorine is soluble in Discuss in detail about the commercial and laboratory preparation, physical properties, chemical properties and uses of Chlorine gas. It has bleaching action. Sulphur dioxide (SO 2) Chlorine (Cl 2) 1. Chlorine is highly reactive hence it doesn’t occur free in nature. Laboratory preparation of diethyl ether (ethoxy ethane) When an excess of ethyl alcohol is heated with conc. This helps in the combustion of fireworks. No votes so far! Chlorine reacts with It is used in the extraction of gold and platinum. Cl2 when treated with dry slaked lime it gives bleaching powder: Cl2 acts as a powerful bleaching agent and its bleaching action are due to its oxidizing nature. It’s additionally an active ingredient in a few cleaning items. Preparation and use of chlorine solutions 15.1 Preparation – Work in a well ventilated room or, better still, outside in the shade but protected from the wind. Chlorine is used for bleaching wood pulp. When a solution of brine Chlorine reacts differently with cold dilute NaOH and hot concentrated NaOH. It is commonly used as a bleach. It is used for the production of DDT, Gamaxane and many more useful compounds. The sun and other stars are composed largely of hydrogen. We elaborate the uses of chlorine and atomic properties with characteristics. Chlorine is widely used for the purification of water because it kills bacteria. Chlorine enters directly, or indirectly as an intermediate, into many organic syntheses of industrial importance. This salt is used in glass production. It is used as a solvent to dissolve noble gases. Extraction of gold and platinum. Fluoride also occurs in minerals such as CaF2, Ca(PO4)3F, and Na3AlF6. Tell us how we can improve this post? H 2 SO 4 at 140 0 C, diethyl ether is obtained. It’s utilized to purify sewage and commercial waste. It is represented as: It is used in the manufacture of dyes, drugs and organic compounds like CCl. All of the halogens occur in seawater as halide ions. Chloride also occurs in the Great Salt Lake and the Dead Sea, and in extensive salt beds that contain NaCl, KCl, or MgCl2. CTRL + SPACE for auto-complete. Simpson discovered its ancasthetic properties in 1848, because of its properties, it was used as a anesthetic in surgery until a few years from now. It is a major raw material in the industrial manufacturing of various chemicals such as sodium carbonate, sodium hydrogen carbonate etc. 17 and atomic mass 35.43 u. Elemental chlorine ({ Cl }_{ 2 }) is a yellow-green poisonous gas at room temperature which is 2.5 times heavier than air and has a pungent odour similar to bleach even at very low concentrations. It is used in in sterilising drinking water. Chlorine is a greenish-yellow chemical element with an atomic number 17. (NaCl) is electrolysed, Na+, In this process a and uses . Chlorine belongs to the halogen group of p-block elements of the periodic table with atomic no. Copyright © 2018-2021 BrainKart.com; All Rights Reserved. Silver combines with HNO3 and forms silver nitrate. (function() { Chlorine is what you might describe as a Jekyll and Hyde element; it is the friend of the synthetic chemist and has found a use in a number of 'nice' applications such as the disinfecting of drinking water and keeping our swimming Chloroform was first discovered in 1831 by leibig. gcse.async = true; The concentration of the chloride ion is 0.54 M; that of the other halides is less than 10–4M. Chlorine reacts with hydrocarbons, for example, substituting chlorine atoms for the hydrogen atoms successively. Describe the properties, preparation, and compounds of hydrogen Hydrogen is the most abundant element in the universe.

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