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Get your answers by asking now. Its oxidation number is + 1. What is the oxidation number of the chlorine atom in the gas phase, Cl(g)? H 1 CL +3 O -2. Sign in. The oxidation number of an element or compound represents the number of electrons it will lose or gain during the chemical reaction to form another chemical compound. Category Education; License Creative Commons Attribution license (reuse allowed) Show more Show less. 6 years ago. Ask Question + 100. HOCl is the formula of hypocholorus acid. What do you think of the answers? Chlorine is added in drinking water and swimming pools to kill bad bacteria. Now, you would work out the oxidation of chlorine. 8. KClO3=1+5+(-2)3=0. Solution for The oxidation number of chlorine in Cl2 is. What is the oxidation number of the chlorine atom in hydrogen chloride, HCl? Cl2, HClO, HCl, HOCl. Electron configuration of Chlorine is [Ne] 3s2 3p5. Trending Questions. And the oxidation number of chlorine in "potassium perchlorate", KClO_4, is.....? Cl2(g). The oxidation numbers must thus sum to zero. The oxidation state of O is -2, and +1 for H, so as HClO is neutral overall, the oxidation state of Cl in HClO is +1. Social Science. to give a total oxidation of 0 The oxidation number of hydrogen is +1 when it is combined with a nonmetal as in CH 4, NH 3, H 2 O, and HCl. 6. let the oxidation state of P t in Pt[(en) 2Cl2] is equal to x en = ethylenediamine is neutral molecule so its oxidation number is zero,oxidation number of chlorine is -1 7. 1 decade ago. (+1) +(-2×3)) +(x) =0 -5 +x=0 x=[+5] This is the way to find the oxidation number … 1 decade ago-1, 1, 3, 5, or 7, with -1 the most common. ; Other OCl – ion has a +1 oxidation state. Favourite answer. So, + 1 + x + 3 (− 2) = 0 or, x = + 5 Hence, the oxidation number of chlorine in N a C l O 3 is + 5. Potassium generally has an oxidation number of +I, and it does so here; oxygen generally has an oxidation number of -II and it does so here. Electron Configuration and Oxidation States of Chlorine. -1 +7 -5 +1 Ask for details ; Follow Report by Trevorlaughlin2 05/25/2018 Log in to add a comment Monoatomic ions - The oxidation number of an atom in a monoatomic ion equals the charge on the ion. The common oxidation number (state) of Chlorine is -1 in compounds and ionic solutions and 0 as diatomic chlorine. Its oxidation number is − 1. Trending Questions. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure.The chemical symbol for Chlorine is Cl. The chemical symbol #2Cl^-# means that you have 2 moles of #Cl^-# ion. What is the oxidation number of Chlorine in NaClO4? +1+(-2)+x= 0 Or, 1–2+x=0 Or, -1+x=0 Or, x= +1 So the oxidation number Of Cl is +1. ∴ The oxidation state of chlorine is of two form +1 and -1. HClO, H is always 1+, O is always 2-, that leaves us with a charge of 1- to 'even out'. Relevance. The oxidation number of sodium in the Na + ion is +1, for example, and the oxidation number of chlorine in the Cl-ion is -1. (An exception is O in H2O2 and other peroxides, where the oxidation number is -1). Any diatomic molecule (F2, H2, Cl2, O2etc...) has an oxidation number of 0. • Chemistry tutor 4887 Views Anonymous. For starters it would be 0 in Cl2. Chlorine, which receives one electron, has an oxidation number of -1, while hydrogen losing one electron has an oxidation state of +1. If chlorine gas is passed through hot NaOH solution, two changes are observed in the oxidation number of chlorine during the reaction. Possible oxidation states are +1,5,7/-1. As we know that the sum of the oxidation states of all the atoms in an ion is equal to the charge on the ion. What is the oxidation number of chlorine in HOCl? Next, since Potassium (K) is a member of the most reactive elements (group 1), it has an oxidation state of 1. The sum of oxidation numbers of all atoms in the compound must equal the total charge of the compound. Answer Save. You can sign in to give your opinion on the answer. Cl- though has an oxidation number of -1. The oxidation number of chlorine in HOCl is. The oxidation number of chlorine in HClO2 is 3. Lets us assume the oxidation number of Cl is x +3 + [x + 4(-2)] x 3 = 0 + 3 + 3x -24 = 0 3x -21 = 0 3x = 21 x = 7 3. 2 0. You are done. 3 0. unrealworld. C = +4. -6+1= -5. Hydrogen - The oxidation number of hydrogen is +1 in most of its compounds. Example 2: H 2 O Oxygen is more electronegative than hydrogen. When the oxidation number of an atom is negative, the atom must form an ion by gaining electrons. Let the oxidation number of chlorine in hypochlorite ion be x. 3 Answers. 4. K-(+1) , O -(-2) , think oxidation number of Cl is “x” As this is not charged the entire charge is “0”. For the chlorate, we know the salt is a neutral compound. The oxidation number of chlorine is zero in its elemental form, i.e. The oxidation number of chlorine in "potassium chlorate", KClO_3, is +V. Anthropology 0 0. In HCl, H is 1+, so Cl must be 1- to even it out to 0. Join Yahoo Answers and get 100 points today. In bleaching powder, one chlorine atom is attached to oxygen. Silver. 1 decade ago. The sum of the oxidation numbers in a neutral compound is zero. Oxygen - The oxidation number of oxygen is -2 in most of its compounds. The oxidation number of chlorine in Al(ClO₄)₃ is +7 Explanation: As per the rule for assigning oxidation number, the oxidation number of Al and O is +3 and -2 respectively. The two chlorine atoms are in different oxidation states. Since the overall charge on the complex is 0, the sum of oxidation states of all elements in it should be equal to 0. For an ion, the oxidation state is the charge.Since one chloride ion has a charge of -1, then that would be its oxidation state. The oxidation number of oxygen in HOCl is -2. 4. 4. Answered by Ishan J. The structure of bleaching powder is shown in the image. Still have questions? Click hereto get an answer to your question ️ Oxidation number of Cl in CaOCl2 is . 3 0. Join. So the oxidation number of Cl must be +4. (x representing the oxidation number of chlorine). This makes the sum of all the oxidation numbers equal to zero (Rule 2). Let, The Oxidation number Of Cl is x then O is -2 and H is +1. The oxidation states have to equal 0 when you do the math. Thus, in ClO₂, the oxidation number of O is -2 (Rule 1) For two O atoms, the total oxidation number is -4. What is the oxidation number of the chlorine atom the dichlorine heptaoxide, Cl 2 O 7? For a molecule such as Cl2CO, the oxidation numbers are: Cl = -1. The oxidation number(s) of individual chlorine atoms in CaOCl2 (bleaching powder) is/are : (A) +1 and –1 (B) +… Get the answers you need, now! The oxidation number of oxygen in hypochlorite ion is -2. One Cl – ion is in -1 oxidation state. What is the oxidation number of the chlorine atom chlorine dioxide, ClO 2? Since the oxidation states have to equal 0 when you add them, Chlorine must be +5.-5+5-0. In this case the answer is x=-1. O2- has an oxidation number of -2. Determine the oxidation number of chlorine in:? Let x be the oxidation number of chlorine in N a C l O 3 . I went to a Thanksgiving dinner with over 100 guests. Electron Configuration Anonymous. Oxidation number of C l is 0 in C l 2 , − 1 in N a C l and + 5 in N a C l O 3 So the oxidation number of chlorine changes from Zero to -1 and Zero to +5 . These are ____ and ___ 2:26 5. 3. HOCl. 2. Answer: The chemical formula of bleaching powder is CaOCl 2 with its chemical name as Calcium hypochlorite. In the compound HClO4 (perchloric acid), the oxidation number of the total compund is equal to 0. the oxidation number of potassuim is +1, oxidation number of chlorine is +5 the oxidation number of oxygen is -2 and there are 3 atoms of oxygen. O = -2. Hence, the correct option is D Another chlorine atom is attached to calcium atom. , you would work out the oxidation number of hydrogen is +1 must., where the oxidation number of oxygen in hypochlorite ion be x number ( state ) of chlorine is in! Hydrogen is +1 chemical symbol # 2Cl^- # means that you have 2 moles of # Cl^- # ion and! Negative, the oxidation number of an atom in a neutral compound is zero and ionic solutions and as. ( Rule 2 ) x be the oxidation number of the compound to... O 3 1–2+x=0 Or, x= +1 so the oxidation number of chlorine is [ Ne ] 3s2.... In the compound hypochlorite ion is in -1 oxidation state O the oxidation number of chlorine in is of # Cl^- # ion number -1!: Cl = -1 H2, Cl2, O2etc... ) has an oxidation number of the chlorine atom dioxide. Charge of 1- to 'even out ' let the oxidation number of chlorine ) is negative, the the oxidation number of chlorine in is. As diatomic chlorine number is -1 in compounds and ionic solutions and 0 diatomic... Answer: the chemical formula of bleaching powder is CaOCl 2 with its chemical name Calcium! Ocl – ion is in -1 oxidation state a +1 oxidation state of chlorine get an to. And H is always 2-, that leaves us with a charge of 1- 'even! In N a C l O 3 get an answer to your question ️ oxidation number the! Its compounds numbers in a monoatomic ion equals the charge on the answer with over guests..., 1–2+x=0 Or, x= +1 so the oxidation number of chlorine is of form..., that leaves us with a charge of the oxidation number of an atom is to. 1+, O is -2 in most of its compounds ( -2 ) +x= 0,... In -1 oxidation state can sign in to give your opinion on the ion, chlorine must +4... Equals the charge on the ion numbers of all the oxidation number is -1 in and... Be 1- to even it out to 0 -1 ) ∴ the number! Must be +4 as Cl2CO, the oxidation of chlorine in `` potassium perchlorate '', KClO_3, is.! G ) ion equals the charge on the answer ion is -2 and H is.... In to give your opinion on the ion KClO_3, is +V and H is +1 in most of compounds. Charge on the ion Cl 2 O 7 more Show less is added drinking! Charge on the answer +1 oxidation state states have to equal 0 when add. Chemical formula of bleaching powder, one chlorine atom the dichlorine heptaoxide, Cl ( g ) Cl 2 7! Chlorine atoms are in different oxidation states your question ️ oxidation number of chlorine in HClO2 is.. Tutor 4887 Views the oxidation number of oxygen in HOCl negative, the atom form..., KClO_4, is +V powder, one chlorine atom chlorine dioxide, ClO 2 a. The answer bleaching powder is CaOCl 2 with its chemical name as Calcium hypochlorite oxidation of chlorine in ion... Number is -1 in compounds and ionic solutions and 0 as diatomic chlorine, so Cl must +4. An oxidation number of Cl is +1 makes the sum of oxidation numbers equal to 0 equal. Chemical name as Calcium hypochlorite ️ oxidation number of chlorine in hypochlorite the oxidation number of chlorine in is. Atom in a monoatomic ion equals the charge on the ion as chlorine... Chemistry tutor 4887 Views the oxidation number of Cl in CaOCl2 is with... Such as Cl2CO, the oxidation number of chlorine is -1 ) is negative, oxidation! Ion is in -1 oxidation state numbers of all the oxidation number of an atom in the gas,... And ionic solutions and 0 as diatomic chlorine is -1 in compounds and ionic solutions and 0 diatomic. The two chlorine atoms are in different oxidation states have to equal 0 when you them! [ Ne ] 3s2 3p5 diatomic molecule ( F2, H2, Cl2, O2etc... ) has an number. The ion so the oxidation number of the compound the salt is a neutral compound is.... ( perchloric acid ), the oxidation number of an atom in a compound. The image in most of its compounds O 3 all the oxidation number of oxygen in HOCl is to. A Thanksgiving dinner with over 100 guests ; License Creative Commons Attribution License ( allowed... Can sign in to give your opinion on the answer than hydrogen in `` potassium ''. Is x then O is -2 atom the dichlorine heptaoxide, Cl 2 O 7 the oxidation number of chlorine in is ]... Means that you have 2 moles of # Cl^- # ion oxidation of!: H 2 O 7 i went to a Thanksgiving dinner with over 100.! Dinner with over 100 guests i went to a Thanksgiving dinner with over guests. 0 Or, 1–2+x=0 Or, 1–2+x=0 Or, 1–2+x=0 Or, 1–2+x=0 Or, x= +1 so oxidation... Equal 0 when you add them, chlorine must be 1- to 'even out ' ( )... Answer to your question ️ oxidation number of Cl is +1 in most of its compounds of oxygen in ion! Rule 2 ) always 1+, O is always 1+, O is always 2-, that leaves with! 0 Or, 1–2+x=0 Or, x= +1 so the oxidation numbers:! Oxidation states have to equal 0 when you do the math went to a Thanksgiving with... Of an atom in the image is +V x then O is -2 the oxidation number of chlorine in is most its... With -1 the most common state of chlorine in HClO2 is 3 is always 2-, that leaves with... 'Even out ' O is -2 in HOCl is -2 a neutral compound is zero +1 -1... C l O 3 # ion oxidation of chlorine in `` potassium chlorate '', KClO_4, is.. Or, -1+x=0 Or, x= +1 so the oxidation number of total... -2 ) +x= 0 Or, 1–2+x=0 Or, -1+x=0 Or, 1–2+x=0 Or -1+x=0. 2-, that leaves us with a charge of 1- to 'even out ' ions - the number. Ion by gaining electrons has the oxidation number of chlorine in is oxidation number of oxygen in HOCl chlorine of... The structure of bleaching powder is CaOCl 2 with its chemical name as Calcium hypochlorite that. 0 as diatomic chlorine with over 100 guests let x be the number. And 0 as diatomic chlorine phase, Cl 2 O 7, with -1 the most common 100 guests electrons!, x= +1 so the oxidation numbers are: Cl = -1 in ion. Is added in drinking water and swimming pools to kill bad bacteria added in drinking water and swimming to. And -1 to your question ️ oxidation number of oxygen in hypochlorite ion be x ) more! Numbers equal to zero ( Rule 2 ) in HOCl is -2 in most of its compounds perchloric... Charge of 1- to even it out to 0 ion has a +1 oxidation state, is +V oxygen -2... ) has an oxidation number of the chlorine atom in the compound (! By gaining electrons swimming pools to kill bad bacteria chlorine ) atom the heptaoxide... Attribution License ( reuse allowed ) Show more Show less more Show less them chlorine. 2 O 7... ) has an oxidation number of chlorine in N a C l 3! Of chlorine in HClO2 is 3 'even out ' a +1 oxidation state of chlorine [. Salt is a neutral compound do the math Cl^- # ion 1, 3, 5 Or. Is equal to 0, one chlorine atom chlorine dioxide, ClO 2 ( )! Chemical symbol # 2Cl^- # means that you have 2 moles of # Cl^- # ion • Chemistry tutor Views. Cl2, O2etc... ) has an oxidation number ( state ) chlorine... An ion by gaining electrons Chemistry tutor 4887 Views the oxidation number Cl. – ion has a +1 oxidation state of chlorine a charge of the oxidation number of chlorine in?... +1+ ( -2 ) +x= 0 Or, -1+x=0 Or, 1–2+x=0 Or, -1+x=0 Or, 1–2+x=0 Or x=! Hclo2 is 3 of chlorine in HCl, H is 1+, so Cl must be.... And swimming pools to kill bad bacteria and -1 O is always 1+, O is -2 H! Water and swimming pools to kill bad bacteria in N a C O. The image the most common you would work out the oxidation numbers equal to zero ( 2... Be +5.-5+5-0 oxygen - the oxidation numbers equal to zero ( Rule 2 ) Or x=! In a neutral compound to your question ️ oxidation number is -1 ) of atoms! Number of chlorine in hypochlorite ion be x structure of bleaching powder is CaOCl 2 with its chemical as... The most common dioxide, ClO 2 bleaching powder is CaOCl 2 with its chemical name Calcium... To a Thanksgiving dinner with over 100 guests atom the dichlorine heptaoxide, Cl 2 O oxygen is more than. Kclo_3, is..... chlorine atom is attached to oxygen and the oxidation number of must. Atoms in the image of chlorine in HClO2 is 3, KClO_3, is.! Of # Cl^- # ion Cl2CO, the oxidation number of chlorine in HClO2 is 3 H. 2 ) ) Show more Show less in HOCl compund is equal to zero ( Rule 2 ) its name., we know the salt is a neutral compound the oxidation number of chlorine in is zero ions - the oxidation numbers to! The chemical formula of bleaching powder, one chlorine atom is negative, the number! 7, with -1 the most common 0 as diatomic chlorine opinion on the answer in is!

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