You are watching: Which element would have physical and chemical properties similar to chlorine?
Because of this dangerous attributes, that is sometimes preferable to replace chlorine with an additional compound or element. To identify which element or link to choose, the is important to understand what gives chlorine its unique properties. The physical and chemical nature of elements comparable to chlorine are disputed in this article.Image: Wikimedia - periodic Table
Chlorine is an extremely electronegative element, which method that it “wants” an electron really badly. This way that it has tendency to oxidize molecule it comes into contact with by remove electrons. The outermost shell of a chlorine atom has actually 7 electrons, yet it a complete shell is filled with 8. This create a large force which tends to piece electrons from various other atoms, and also it is this residential property that provides chlorine such a an excellent chemical because that disinfectants and sanitizing agents, and also other applications.Any aspect with 7 electron in the outermost shell will have comparable properties. For this reason other elements in the same obelisk of the periodic table as chlorine will have similar properties. Facets in this column kind what is referred to as the Halogen series, i m sorry is written of fluorine, chlorine, bromine, iodine, and also astatine. Fluorine is the many electronegative of this elements, and in fact is often an ext dangerous than chlorine.
In fact, bromine and also iodine deserve to both be supplied in place of chlorine for water purification, despite chlorine is more effective. Choices to pure chlorine because that water purification purposes include Sodium Hypochlorite, Chloramines (combination of chlorine and ammonia), Calcium hypochlorite, and Chlorine dioxide. Because that non-chlorine compounds, options include bromine (a popular an option for spas) and persulphates. Persulphates are likewise called active oxygen; they room effective against fecal waste and bacteria, however not algae. Some of the more popular persulphate solutions on the sector are Soft and Easy and Duo tabs.A different option sometimes used in water purification is ozone, i beg your pardon is a form of oxygen. This requires a distinct apparatus, fairly than just an applications of chemicals, and also requires some little amounts the chlorine. Copper or silver ionizers are periodically used for the same effect, and likewise require supplementary chlorine.Polyaminopropyl Biguanides (PAPB) can be offered in place of chlorine, but this applications is very complicated to set up. Due to the fact that the treatment will not work-related when there are any type of traces that chlorine present, this is a much better option for brand-new pools and treatment systems.
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For on-the-go water purification, iodine tablets are often used in ar of chlorine. This is since iodine is less toxic 보다 chlorine, and so is less likely to cause poisoning.
SourcesNon Chlorine alternative for swim Pools
Water Disinfection: Evaluating alternative Methods In light of Heightened defense ConcernsThe Oxidising capacity of the group 7 aspects (The Halogens)