In particular, chlorination is used to prevent the spread of waterborne diseases such as cholera, dysentery, and typhoid Cl 2 + H 2 O —— → HCl + HClO. Chlorine gas disproportionates in water into hydrochloric acid and HOCl, the latter disassociates to form ClO − (Equations (i) and ): Chlorine bleaches by the process of oxidation. Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water.This method is used to kill bacteria, viruses and other microbes in water. Chlorine is used worldwide as a disinfectant residual to counteract microbial contamination and proliferation in drinking water supply systems. Chlorine water in a boiling tube inverted into a trough was exposed to sunlight for two hours. However, chlorine residual concentration decays as the water travels through the systems mainly due to its reaction with the water’s natural organic matter (NOM) (bulk decay) and with the pipe’s Chlorine is only slightly soluble in water, with its maximum solubility occurring at 49° F. After that, its solubility decreases until 212° F. At temperatures below that range, it forms crystalline hydrates (usually \(Cl_2\)) and becomes insoluble. Using a well labeled diagram show and explain the observations made. Chlorine is added to drinking water either in its gaseous form (Cl 2) or as a hypochlorite-containing salt, typically sodium hypochlorite (NaOCl), in the form of a solution or a powder. Hypochlorous acid is unstable, and it easily dissociates to form nascent oxygen. Reactions with Water. Its properties are thus similar to fluorine, bromine, and iodine, and are largely intermediate between those of the first two.Chlorine has the electron configuration [Ne]3s 2 3p 5, with the seven electrons in the third and outermost shell acting as its valence electrons. It needs moisture for its bleaching action.Chlorine reacts with water to form hydrochloric and hypochlorous acids. Chlorine (I) acid is an unstable compound. Usually, reactions of chlorine with water are for disinfection purposes. Chlorine is the second halogen, being a nonmetal in group 17 of the periodic table. Chemical equation: Cl 2 (g) + H 2O(l) → HCl(aq) + HClO(aq) 7. Whats the reaction between chlorine and water Homework Equations None The Attempt at a Solution Is it the reversible reaction: Cl2(g) + H2O(l) <----> HCl(aq) + HClO(aq) Answers and Replies Related Biology and Chemistry Homework Help News on Phys.org.

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