(2) H +1 2 O-2 5 years ago. The best method in my opinion is the “Ion-Electron” method. See the answer. Since the oxidation number of O is -2 in most cases (except peroxides, superoxides, and OF2), 7 O atoms have a charge of 7(-2) = -14. Ask questions, doubts, problems and we will help you. Get your answers by asking now. Let us learn here how to balance the above unbalanced equation using half reaction method with step by step procedure. redox reactions; class-11; Share It On Facebook Twitter Email. Cr2O7^(2-) + 3C2O4^(2-) +14H+ ---> 2Cr^(3+) + 6CO2 +7H2O. Oxidation numbers of P in PO4^3- , of S in SO4^2- and that of Cr in Cr2O7^2- are respectively. This page explains how to work out electron-half-reactions for oxidation and reduction processes, and then how to combine them to give the overall ionic equation for a redox reaction. plz help me out... (i) Cr2O7(charge on O7 is 2-) + H(charge is 1+) + I2 -----> Cr (charge is 3-) … I went to a Thanksgiving dinner with over 100 guests. 2. Chemists have developed an alternative method (in addition to the oxidation number method) that is called the ion-electron (half-reaction) method. Balancing Redox Reaction by Ion electron Method (Half reaction method) Steps: Divide the complete reaction into two half reaction, one representing oxidation and other representing reduction. Adjust the coefficients so that the number of electrons hypothetically transferred is the same so that the final equation will be charge balanced. HNO2 + Cr2O7^2-^ -> Cr^3+^ + NO3^-^ 2 0 1,735 asked by Yukiko Sep 3, 2008 Balancing oxidation-reduction (redox) reaction is a complex process. ch3cooh+cr3+=ch3ch2oh+cr2o7-2+h+. Get your answers by asking now. To balance the unbalanced oxygen molecule charges, we add 2 in front of the product on R.H.S. Suppose we are asked to balance the equation showing the oxidation of Fe2+ ions to Fe3+ ions by dichromate ions(Cr2O7 2- ) in an acidic medium. Working out electron-half-equations and using them to build ionic equations. SHARDA PUBLIC SCHOOL , ALMORA CLASS XI 15. Cr2O7^2-^ + C2O4^2-^ -> Cr^3+^ + CO2 2. K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O is a very common chemical reaction. The chief was seen coughing and not wearing a mask. Still have questions? Notes on basic concepts of chemistry (Solutions), Lowering In Vapor Pressure Of A Solvent And Raoult’s Law (Solution). asked Feb 14 in Chemistry by Nishu03 (64.1k points) redox reactions; class-11; 0 votes. I want to know how to balance the following equs by ion-electron method. 1 answer. Example on Half-reaction or ion-electron method in acidic method - II. Given, H +1 2 + O-2 2-> H +1 2 O-2. Given: Cr2O7^2- + H2S => Cr^3+ + S? Join Yahoo Answers and get 100 points today. To balance the unbalanced oxygen molecule charges, we add 2 in front of the product on R.H.S. Ask Question + 100. If the following equation, Cr+3 + HClO4 ----- Cr2O7-2 + Cl-, is balanced by the ion-electron method in acid solution, a correct term in the balanced equation is. There are two methods for balancing the redox reactions. So Cr on the left side = +6 on the right side it is +3. (A very typical wrong answer for the left side is zero. Balance the equation in ion electron method in acid medium Cr2O7+H++l-=cr3++i2+h2o. Balance the following equation in acidic medium: Cr2O72-+SO2(g)----- Cr3+(aq) + SO42- (aq) - Chemistry - Redox Reactions A. Cr2O72- +C2O42- à Cr3+ +CO2 (in Acidic Solution) B. ClO3- + Cl- àCl2 +ClO2 (in Basic Solution) This problem has been solved! 1. Cr207. In the redox reaction: Cr2O72- + Fe2+ --> Cr3+ + Fe3+. Break the reaction into an oxidation half-reaction and a reduction half-reaction. "Cr"_2"O"_7^"2-" → "Cr"^"3+". Your email address will not be published. To enter charge species, just type them as they are, for example Hg2+, Hg22+, or Hg2^2+ asked Dec 22, 2018 in Chemistry by monuk (68.0k points) redox reactions; neet; 0 votes. Balance The Following Redox Reactions By Ionelectron Method. Balance the following redox equations by the ion-electron half-reaction method: (a) (acid solution): Cr2O7 2- + Fe2+ Cr3+ + Fe3+ (b) (acid… Nursing Paper Services Nursing Essay Redox equations are often so complex that fiddling with coefficients to balance chemical equations doesn’t always work well. The basic behind this is , in acid medium K2Cr2O7 in acid medium goes to Cr2 6+ state that is Cr2O7 - - = Cr2 6+ / 2Cr3+. Oxidation numbers of P in PO4^3- , of S in SO4^2- and that of Cr in Cr2O7^2- are respectively. Potassium dichromate is a powerful oxidising agent in acid medium . Balancing Redox Reactions- Half reaction Method. ... 0 votes . Balance the Given redox-reaction by ion-electron Method Cr2O7– – +Fe+ H+ -> Break the reaction into two half-reactions: oxidation and reduction. This example problem illustrates how to use the half-reaction method to balance a redox reaction in a solution. 1. In the ion-electron method, the unbalanced redox equation is converted to the ionic equation and then broken […] Cr2O7^(2-) + 3C2O4^(2-) +14H+ ---> 2Cr^(3+) + 6CO2 +7H2O. Home Balance the following redox reactions by ion electron method Cr2O7^2-+SO2 (g)-- Cr^3+ (aq)SO4^2- (aq) Download the App from Google Play Store. MnO4 + I = MnO2 + I2 balance this equation by oxidation method in basic medium and give all the steps 2 See answers tiwaavi tiwaavi Let us Balance this Equation by the concept of the Oxidation number method. See the answer. Example on Half-reaction or ion-electron method in basic method - II. When balancing redox reactions, the overall electronic charge must be balanced in addition to the usual molar ratios of the component reactants and products. What would the balanced reaction look like, and would CrO72- be the Reducing Agent, and Fe2+ be the Oxidizing Agent? Anonymous. "SO"_3^"2-" → "SO"_4^"2-". Required fields are marked *. Find out which element is reduced (Its oxidation number decreases). Add the Half reactions . The basic behind this is , in acid medium K2Cr2O7 in acid medium goes to Cr2 6+ state that is Cr2O7 – – = Cr2 6+ / 2Cr3+. Trending Questions. First balance other than ‘O’ and ‘H’ atoms. 0 0. 7 min. Adjust the coefficients so that the number of electrons hypothetically transferred is the same so that the final equation will be charge balanced. Balance the following redox reactions by Ionelectron method. … Oxidation: Cu → Cu. In the ion-electron method (also called the half-reaction method), the redox equation is separated into two half-equations - one for oxidation and one for reduction. K2Cr2O7 FeSO4 H2SO4 are reacts to give multiple products. 3. Cr2O2− 7 red-orange +14H + + 6e− → 2Cr3+ + 7H 2O(l) Oxidation half equation: F e2+ → F e3+ +e−. In this reaction, you show the nitric acid in … Calculate the pH of pOH of each solution. 1. 3C2O42-(aq) -- > 6CO2(g) Step #5: Balance the charge by adding electrons, e-. C2H3OCl + Cr2O7(-2 charge) ---> CO2 + Cl2 + Cr(+3 charge) Please need final equation my teacher is a genius but has no idea how to teach so he gives us this equation and expects us to know how to do it without any knowledge of it. 13 min. Enter your email address to follow this blog and receive notifications of new posts by email. In your question there is only one substance, dichromate ion Cr2O7^2-, to cause a difficulty, others are in the form of monoatomic ions. Next make electron change the same. In this method, the reagent has strong color because of the permanganate ion MnO4 ... oxidant and reductant are the same with respect to the mole stoichiometry or the total number of electrons lost and electron increased in oxidation and reduction reaction will be similar. how to solve Cr 2 O 7 -2 +C 2 O 4 -2 ----> Cr +3 +CO 2 by ion electron method in acidic medium.. Ankit Verma, added an answer, on 10/3/12 answer>Cr 2 O 72- +3C 2 O 42- + 14H + --------------->2Cr 3+ +6CO 2 + 7H 2 O Was this answer helpful? how to solve Cr2O7-2 +C2O4-2 ---- Cr+3+CO2 by ion electron method in acidic medium - Chemistry - Redox Reactions Then add two completed half-reactions together to get the net ionic equation. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build … Welcome to the MathsGee Q&A Bank , Africa’s largest STEM and Financial Literacy education network that helps people find answers to problems, connect with others and take action to improve their outcomes. We get, H +1 2 + O-2 2-> (2) H +1 2 O-2 The half-reaction method is the easiest. 6) I once saw an unusual method to balancing this particular example equation. asked Feb 15 in Chemistry by Nishu03 (64.1k points) redox reactions; class- 11; 0 votes. Expert Answer . First, a comment. How to balance the redox reaction by ion electron method or half reaction method? Add the spectator Ions. This is not a lesson on how to do it. (1) Oxidation number method (2) Half-reaction method ... Cr2O7^2- ion. BALANCING REDOX EQUATIONS ION-ELECTRON METHOD. Well, we separate the reduction process from the oxidation by the method of half-equations. And we add the equations together in such a way that the electrons are eliminated... 6F e2+ +Cr2O2− 7 + 14H + → 6F e3+ + 2Cr3+ green + 7H 2O(l) First Write the Given Redox Reaction. Trending Questions. Determine the electrons to be … The steps for balancing a redox reaction using the ion-electron method are: [1] Break the equation into two half-reactions, one for the oxidation step (loss of Half-reaction method, although a little bit time consuming, is easier for students who get difficulty in determining the oxidation number of the species involved in the equation. 0 0. 10 min. Let us learn here how to balance the above unbalanced equation using half reaction method with step by step procedure. As a result, the Cr2O7 2- ions are reduced to Cr3+ ions. Get Help And Discuss STEM Concepts From Math To … "SO"_3^"2-" → "SO"_4^"2-". change and split the reaction into two half cell oxidation and reduction. 1 0. SHARDA PUBLIC SCHOOL , ALMORA CLASS XI 15. Cr2O^2 - 7 + SO2(g)→ Cr^3 + (aq) + SO^2 - 4(aq) (in acidic solution) Anonymous. Each of these half-reactions is balanced separately and then combined to give the balanced redox equation. Cr2O7^2- + C2H4O^- → C2H4O2 + Cr^3+ in acid solution by ion electron method. 1. HNO2 + Cr2O7^2-^ -> Cr^3+^ + NO3^-^ 2 0 1,735 asked by Yukiko Sep 3, 2008 Balancing oxidation-reduction (redox) reaction is a complex process. Step 2: Balance all atoms other than "H" and "O". Click here👆to get an answer to your question ️ Balance the following redox reactions by ion electron method. asked by Dan on October 19, 2006 Chemistry Balance the following redox equations. Step 3: Balance "O". Step 1. The first half-reaction needs 14 hydrogen atoms on the left to balance the 14 hydrogen atoms in the 7 H2O molecules, so we add 14 H+ ions to the left. Convert the unbalanced redox reaction to the ionic form. MY FIRST YAHOO ANSWER!!!! Stack Exchange Network. It winds up with the equation balanced in basic solution. We'll do the ethanol to ethanoic acid half-equation first. Then add two completed half-reactions together to get the net ionic equation. This is reduced to chromium(III) ions, Cr 3+. Break the reaction into an oxidation half-reaction and a reduction half-reaction. The oxidation number of Cr in Cr2O7^-2 is found by assigning -2 as the oxidation number of O, and x to Cr: 2x + (-2)(7) = -2 (the -2 on the right side is the ionic charge) Solving for x we get x = +6. Still have questions? asked Feb 14 in Chemistry by Nishu03 (64.1k points) Cr 2 O 7 2-+ C 2 H 4 O- → C 2 H 4 O 2 + Cr 3+ in acid solution by ion electron method. 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ion electron method cr2o7

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Balance The Following Redox Reactions By Ionelectron Method. Cr2O7^2- + C2H4O^- → C2H4O2 + Cr^3+ in acid solution by ion electron method. Add enough "H"_2"O" molecules to balance "O". Available at PhysicsWallah App … Balance the following redox reactions by Ionelectron method. Join. 1) Write a balanced redox equation for this reaction in acidic solution 2) identify the oxidizing and reducing agent in the above reaction 1 Answer Example on Half-reaction or ion-electron method in basic method - III. Potassium dichromate is a powerful oxidising agent in acid medium . The reaction between dichromate ions (Cr2O7(-2)) and iron(II) ions (Fe(2+)) in an ... equation for the reaction, using the ion-electron method. The reaction between dichromate ions (Cr2O7(-2)) and iron(II) ions (Fe(2+)) in an ... equation for the reaction, using the ion-electron method. We get, H +1 2 + O-2 2-> (2) H +1 2 O-2 5 years ago. The best method in my opinion is the “Ion-Electron” method. See the answer. Since the oxidation number of O is -2 in most cases (except peroxides, superoxides, and OF2), 7 O atoms have a charge of 7(-2) = -14. Ask questions, doubts, problems and we will help you. Get your answers by asking now. Let us learn here how to balance the above unbalanced equation using half reaction method with step by step procedure. redox reactions; class-11; Share It On Facebook Twitter Email. Cr2O7^(2-) + 3C2O4^(2-) +14H+ ---> 2Cr^(3+) + 6CO2 +7H2O. Oxidation numbers of P in PO4^3- , of S in SO4^2- and that of Cr in Cr2O7^2- are respectively. This page explains how to work out electron-half-reactions for oxidation and reduction processes, and then how to combine them to give the overall ionic equation for a redox reaction. plz help me out... (i) Cr2O7(charge on O7 is 2-) + H(charge is 1+) + I2 -----> Cr (charge is 3-) … I went to a Thanksgiving dinner with over 100 guests. 2. Chemists have developed an alternative method (in addition to the oxidation number method) that is called the ion-electron (half-reaction) method. Balancing Redox Reaction by Ion electron Method (Half reaction method) Steps: Divide the complete reaction into two half reaction, one representing oxidation and other representing reduction. Adjust the coefficients so that the number of electrons hypothetically transferred is the same so that the final equation will be charge balanced. HNO2 + Cr2O7^2-^ -> Cr^3+^ + NO3^-^ 2 0 1,735 asked by Yukiko Sep 3, 2008 Balancing oxidation-reduction (redox) reaction is a complex process. ch3cooh+cr3+=ch3ch2oh+cr2o7-2+h+. Get your answers by asking now. To balance the unbalanced oxygen molecule charges, we add 2 in front of the product on R.H.S. Suppose we are asked to balance the equation showing the oxidation of Fe2+ ions to Fe3+ ions by dichromate ions(Cr2O7 2- ) in an acidic medium. Working out electron-half-equations and using them to build ionic equations. SHARDA PUBLIC SCHOOL , ALMORA CLASS XI 15. Cr2O7^2-^ + C2O4^2-^ -> Cr^3+^ + CO2 2. K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O is a very common chemical reaction. The chief was seen coughing and not wearing a mask. Still have questions? Notes on basic concepts of chemistry (Solutions), Lowering In Vapor Pressure Of A Solvent And Raoult’s Law (Solution). asked Feb 14 in Chemistry by Nishu03 (64.1k points) redox reactions; class-11; 0 votes. I want to know how to balance the following equs by ion-electron method. 1 answer. Example on Half-reaction or ion-electron method in acidic method - II. Given, H +1 2 + O-2 2-> H +1 2 O-2. Given: Cr2O7^2- + H2S => Cr^3+ + S? Join Yahoo Answers and get 100 points today. To balance the unbalanced oxygen molecule charges, we add 2 in front of the product on R.H.S. Ask Question + 100. If the following equation, Cr+3 + HClO4 ----- Cr2O7-2 + Cl-, is balanced by the ion-electron method in acid solution, a correct term in the balanced equation is. There are two methods for balancing the redox reactions. So Cr on the left side = +6 on the right side it is +3. (A very typical wrong answer for the left side is zero. Balance the equation in ion electron method in acid medium Cr2O7+H++l-=cr3++i2+h2o. Balance the following equation in acidic medium: Cr2O72-+SO2(g)----- Cr3+(aq) + SO42- (aq) - Chemistry - Redox Reactions A. Cr2O72- +C2O42- à Cr3+ +CO2 (in Acidic Solution) B. ClO3- + Cl- àCl2 +ClO2 (in Basic Solution) This problem has been solved! 1. Cr207. In the redox reaction: Cr2O72- + Fe2+ --> Cr3+ + Fe3+. Break the reaction into an oxidation half-reaction and a reduction half-reaction. "Cr"_2"O"_7^"2-" → "Cr"^"3+". Your email address will not be published. To enter charge species, just type them as they are, for example Hg2+, Hg22+, or Hg2^2+ asked Dec 22, 2018 in Chemistry by monuk (68.0k points) redox reactions; neet; 0 votes. Balance The Following Redox Reactions By Ionelectron Method. Balance the following redox equations by the ion-electron half-reaction method: (a) (acid solution): Cr2O7 2- + Fe2+ Cr3+ + Fe3+ (b) (acid… Nursing Paper Services Nursing Essay Redox equations are often so complex that fiddling with coefficients to balance chemical equations doesn’t always work well. The basic behind this is , in acid medium K2Cr2O7 in acid medium goes to Cr2 6+ state that is Cr2O7 - - = Cr2 6+ / 2Cr3+. Oxidation numbers of P in PO4^3- , of S in SO4^2- and that of Cr in Cr2O7^2- are respectively. Potassium dichromate is a powerful oxidising agent in acid medium . Balancing Redox Reactions- Half reaction Method. ... 0 votes . Balance the Given redox-reaction by ion-electron Method Cr2O7– – +Fe+ H+ -> Break the reaction into two half-reactions: oxidation and reduction. This example problem illustrates how to use the half-reaction method to balance a redox reaction in a solution. 1. In the ion-electron method, the unbalanced redox equation is converted to the ionic equation and then broken […] Cr2O7^(2-) + 3C2O4^(2-) +14H+ ---> 2Cr^(3+) + 6CO2 +7H2O. Home Balance the following redox reactions by ion electron method Cr2O7^2-+SO2 (g)-- Cr^3+ (aq)SO4^2- (aq) Download the App from Google Play Store. MnO4 + I = MnO2 + I2 balance this equation by oxidation method in basic medium and give all the steps 2 See answers tiwaavi tiwaavi Let us Balance this Equation by the concept of the Oxidation number method. See the answer. Example on Half-reaction or ion-electron method in basic method - II. When balancing redox reactions, the overall electronic charge must be balanced in addition to the usual molar ratios of the component reactants and products. What would the balanced reaction look like, and would CrO72- be the Reducing Agent, and Fe2+ be the Oxidizing Agent? Anonymous. "SO"_3^"2-" → "SO"_4^"2-". Required fields are marked *. Find out which element is reduced (Its oxidation number decreases). Add the Half reactions . The basic behind this is , in acid medium K2Cr2O7 in acid medium goes to Cr2 6+ state that is Cr2O7 – – = Cr2 6+ / 2Cr3+. Trending Questions. First balance other than ‘O’ and ‘H’ atoms. 0 0. 7 min. Adjust the coefficients so that the number of electrons hypothetically transferred is the same so that the final equation will be charge balanced. Balance the following redox reactions by Ionelectron method. … Oxidation: Cu → Cu. In the ion-electron method (also called the half-reaction method), the redox equation is separated into two half-equations - one for oxidation and one for reduction. K2Cr2O7 FeSO4 H2SO4 are reacts to give multiple products. 3. Cr2O2− 7 red-orange +14H + + 6e− → 2Cr3+ + 7H 2O(l) Oxidation half equation: F e2+ → F e3+ +e−. In this reaction, you show the nitric acid in … Calculate the pH of pOH of each solution. 1. 3C2O42-(aq) -- > 6CO2(g) Step #5: Balance the charge by adding electrons, e-. C2H3OCl + Cr2O7(-2 charge) ---> CO2 + Cl2 + Cr(+3 charge) Please need final equation my teacher is a genius but has no idea how to teach so he gives us this equation and expects us to know how to do it without any knowledge of it. 13 min. Enter your email address to follow this blog and receive notifications of new posts by email. In your question there is only one substance, dichromate ion Cr2O7^2-, to cause a difficulty, others are in the form of monoatomic ions. Next make electron change the same. In this method, the reagent has strong color because of the permanganate ion MnO4 ... oxidant and reductant are the same with respect to the mole stoichiometry or the total number of electrons lost and electron increased in oxidation and reduction reaction will be similar. how to solve Cr 2 O 7 -2 +C 2 O 4 -2 ----> Cr +3 +CO 2 by ion electron method in acidic medium.. Ankit Verma, added an answer, on 10/3/12 answer>Cr 2 O 72- +3C 2 O 42- + 14H + --------------->2Cr 3+ +6CO 2 + 7H 2 O Was this answer helpful? how to solve Cr2O7-2 +C2O4-2 ---- Cr+3+CO2 by ion electron method in acidic medium - Chemistry - Redox Reactions Then add two completed half-reactions together to get the net ionic equation. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build … Welcome to the MathsGee Q&A Bank , Africa’s largest STEM and Financial Literacy education network that helps people find answers to problems, connect with others and take action to improve their outcomes. We get, H +1 2 + O-2 2-> (2) H +1 2 O-2 The half-reaction method is the easiest. 6) I once saw an unusual method to balancing this particular example equation. asked Feb 15 in Chemistry by Nishu03 (64.1k points) redox reactions; class- 11; 0 votes. Expert Answer . First, a comment. How to balance the redox reaction by ion electron method or half reaction method? Add the spectator Ions. This is not a lesson on how to do it. (1) Oxidation number method (2) Half-reaction method ... Cr2O7^2- ion. BALANCING REDOX EQUATIONS ION-ELECTRON METHOD. Well, we separate the reduction process from the oxidation by the method of half-equations. And we add the equations together in such a way that the electrons are eliminated... 6F e2+ +Cr2O2− 7 + 14H + → 6F e3+ + 2Cr3+ green + 7H 2O(l) First Write the Given Redox Reaction. Trending Questions. Determine the electrons to be … The steps for balancing a redox reaction using the ion-electron method are: [1] Break the equation into two half-reactions, one for the oxidation step (loss of Half-reaction method, although a little bit time consuming, is easier for students who get difficulty in determining the oxidation number of the species involved in the equation. 0 0. 10 min. Let us learn here how to balance the above unbalanced equation using half reaction method with step by step procedure. As a result, the Cr2O7 2- ions are reduced to Cr3+ ions. Get Help And Discuss STEM Concepts From Math To … "SO"_3^"2-" → "SO"_4^"2-". change and split the reaction into two half cell oxidation and reduction. 1 0. SHARDA PUBLIC SCHOOL , ALMORA CLASS XI 15. Cr2O^2 - 7 + SO2(g)→ Cr^3 + (aq) + SO^2 - 4(aq) (in acidic solution) Anonymous. Each of these half-reactions is balanced separately and then combined to give the balanced redox equation. Cr2O7^2- + C2H4O^- → C2H4O2 + Cr^3+ in acid solution by ion electron method. 1. HNO2 + Cr2O7^2-^ -> Cr^3+^ + NO3^-^ 2 0 1,735 asked by Yukiko Sep 3, 2008 Balancing oxidation-reduction (redox) reaction is a complex process. Step 2: Balance all atoms other than "H" and "O". Click here👆to get an answer to your question ️ Balance the following redox reactions by ion electron method. asked by Dan on October 19, 2006 Chemistry Balance the following redox equations. Step 3: Balance "O". Step 1. The first half-reaction needs 14 hydrogen atoms on the left to balance the 14 hydrogen atoms in the 7 H2O molecules, so we add 14 H+ ions to the left. Convert the unbalanced redox reaction to the ionic form. MY FIRST YAHOO ANSWER!!!! Stack Exchange Network. It winds up with the equation balanced in basic solution. We'll do the ethanol to ethanoic acid half-equation first. Then add two completed half-reactions together to get the net ionic equation. This is reduced to chromium(III) ions, Cr 3+. Break the reaction into an oxidation half-reaction and a reduction half-reaction. The oxidation number of Cr in Cr2O7^-2 is found by assigning -2 as the oxidation number of O, and x to Cr: 2x + (-2)(7) = -2 (the -2 on the right side is the ionic charge) Solving for x we get x = +6. Still have questions? asked Feb 14 in Chemistry by Nishu03 (64.1k points) Cr 2 O 7 2-+ C 2 H 4 O- → C 2 H 4 O 2 + Cr 3+ in acid solution by ion electron method.

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