By registering, I agree to the Terms of Service and Privacy Policy. CHEMISTRY. Which of these is correctly associated with the cathode? Example: Which reactant is undergoing oxidation and which reactant is undergoing reduction? A sliced apple will turn brown when exposed to air _____. Which of these is the best definition of a Bronsted-Lowry base? Based on our data, we think this problem is relevant for Professor Delgado's class at FIU. oxygen in the air oxidizes the chemicals present in the apple. As a summary, keep in mind the following: What scientific concept do you need to know in order to solve this problem? Which element is reduced in this reaction? Which of these is the primary ingredient in baking soda? What is the pH of a 1.0 M solution of a strong base? Fe2O3 got reduced to Fe By C. And C got oxidized to CO2 by Fe2O3. (Recall that O has an oxidation number of -2.) Question: Identify The Oxidized Substance And The Oxidizing Agent In The Following Reactions: A) Cu^2+ + Mg-----> Cu + Mg^2+ Which Substance Gets Oxidized? Which element is reduced in this reaction?2KMnO4 + 3Na2SO3 + H2O → 2MnO2 + 3Na2SO4 + 2KOHEnter the chemical symbol of the element. Let's start with the correct equation, which I assume is : 2Fe2O3 + 3C = 3CO2 + 4Fe A reducing agent is an element or compound in a redox reaction that reduces another species and itself gets oxidized and is therefore the electron donor in the reaction. Which of these substances is the most common reducing agent? Which substance is the oxidizing agent? 1.0 M NaOH < 1.0 M NH3 < 1.0 M HCOOH < 1.0 M HCl. For the following reaction: Fe2O3 + 3CO --> 2Fe + 3CO2 how many grams of Fe2O3 is needed to produce 111 g of Fe? Which of these substances would have the lowest pH? Sour and Dissolve some metals and turn blue paper red. The balanced equation will appear above. Carbon monoxide. How long does this problem take to solve? Which statement about this reaction is correct? Why is this a redox reaction? Which of these is the Bronsted-Lowry base in this chemical equation? You can follow their steps in the video explanation above. A) 79.3 g Fe2O3 B) 159 g Fe2O3 C) 317 g Fe2O3 D) 71.4 g Fe2O3 . 11 terms. Lead is oxidized, Lead oxide acts as the cathode, Both the anode and cathode reactions result in the formation of PbSO4, Lead and lead oxide can be reformed from lead sulfate with the application of an outside. Get a better grade with hundreds of hours of expert tutoring videos for your textbook. Which of these statements concerning pH is incorrect? Which of these substances is a weak acid? Which of these pairs represent the products of this dissociation in water? Which of these is an application of oxidizing agents? Gaining electrons, Gaining hydrogen, Losing oxygen. Which of these substances is a weak base? Fe2O3 gets reduced to Fe (Removal of oxygen) CO gets oxidized to CO2 (Addition of oxygen) Hence, CO acts as reducing agent. Which substance acts as the anode in the lead-acid automobile battery? B) Fe2O3+3CO-----> 2Fe +3CO2 Which Substance Gets Oxidized? You can view video lessons to learn Redox Reactions. Which substance is oxidized in this redox reaction? Fe2O3 + 3CO → 2Fe + 3CO2. Which of these are the primary components in an automobile battery? Explain why? Any substance that accepts H +ion in solution. F2 gets reduced to HF (Addition of hydrogen) H2O gets oxidized to HOF (Removal of hydrogen) Hence, H2O acts as reducing agent. Note the oxidative states of reactants vs products, if they change, or oxygen atoms are transferred, then it's an Oxidation-Reduction reaction. Which of these statements concerning pure water is incorrect? Any substance that produces OH− ions in solution. Which of these acids is not found in wines? What Is The Oxidizing Agent? 13 terms. This is because the oxidation … Our tutors rated the difficulty ofWhich substance is the oxidizing agent in this reaction?Fe2O...as low difficulty. Reducing agent is an element or a compound that loses electrons. chemistry Which statements about the lead-acid battery is correct? ... Fe2O3 + 3CO ---> 2Fe + 3CO2. Which of these is not an oxidation-reduction reaction? KylieDream. In the reaction: Fe2O3(s) + 3CO(g) - --> 2Fe(s) + 3CO2(g) Which substance is oxidized? Fe₂O₃ is the oxidant, as it is reduced. Use uppercase for the first character in the element and lowercase for the second character. Which of these statements about acid rain is correct? Iron is oxidized, and the oxidizing agent is CO. Which of these statements correctly explains why batteries run out of energy? It's an Oxidation-Reduction reaction. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. Oxidation-reduction reactions (often called "redox" for short) are reactions that involve the transfer of electrons from one species to another. Identify the reducing agent in the following reactions (a) 4NH3 + 5O2→ 4NO + 6H2O (b) H2O + F2 → HF + HOF (c) Fe2O3 + 3CO → 2Fe + 3CO2 (d) 2H2 + O2 → 2H2O NCERT Class X Science - Exemplar Problems Chapter_Chemical Reactions And Equations Chemical reactions can change materials into other compounds, for example shiny iron into rust (Fe2O3). Rain is naturally acidic as a result of ____ gas reacting with the water. Which of these substances is the most common oxidizing agent? 26.6 kJ of energy are released for every mole of Fe reacted B. What is the oxidation number for S in the compound SO3? a reaction in which electrons are transferred from one substance to another substance. Which of these acids is found in stomach acid? for the following reaction, identify what is reduced, what is oxidized, what the reducing agent is, and what the oxidizing agent is: Fe2O3+3CO = 2Fe=3CO2 Expert Answer 100% (1 rating) Which of these are oxidation-reduction reactions? NaCl -> 2Na +Cl2. Which of these metals are often used to help prevent the rusting of iron? Nitric acid is an oxidising agent and reacts with PbO but it does not react with PbO2. Which of these batteries has a continually renewable reactant source? What is the oxidizing agent in this reaction? To do so, we need to identify the change in oxidation state for each element in the reaction. Fe2O3+3CO?2Fe+3CO2. Which of these is the active ingredient in aspirin? Which of these processes could occur at the anode in an electrochemical cell? Which of these compounds cannot act as a Bronsted-Lowry acid? Calculate the enthalpy change for the reaction Fe2O3 + 3CO → 2Fe + 3CO2 from the following data. What professor is this problem relevant for? Painting iron and Coating iron with a metal which is more likely to oxidize. can effectively remove nutrients from soil, accelerates the rusting process. For the following redox reaction, identify the oxidizing agent and the reducing agent. Which of these is a characteristic associated with reduction? Which of these substances is not found in a common Leclanche dry cell? The reaction (ii) is a redox reaction in which PbO2 gets reduced and acts as an oxidizing agent. If you forgot your password, you can reset it. chelseabailey19. Password must contain at least one uppercase letter, a number and a special character. Nuclear Radiation. CO is the reductant, as it is oxidized. Which of these acids is responsible for the tartness of vinegar? Name the substance oxidised, reduced, oxidising agent and reducing agent in the following reactions: (i) Ca + Cl 2 →CaCl 2 (ii) 3MnO 2 + 4Al → 3Mn + 2Al 2 O 3 (iii) Fe 2 O 3 + 3CO →2Fe + 3CO 2 (iv) Fe + S → FeS We’re being asked to identify which element is oxidized in the given reaction: Fe 2 O 3 + 3CO → 2Fe + 3CO 2. What is the pH of a 1.0 M solution of a weak acid? Given the reaction below, which is the reduced substance? OTHER SETS BY THIS CREATOR. oxidizing agent. "Substance" is too fuzzy a word. Chemistry Chapter 20. Carbon monoxide (3CO) is the reducing agent. Which substance is the oxidizing agent in this redox reaction? Coating iron with a more oxidative metal than itself to prevent rusting is known as ____. Clutch Prep is not sponsored or endorsed by any college or university. Cu(NO3)2 (aq) + Mg(s) ® Cu(s) + Mg(NO3)2 (aq . Name the substance oxidized,reduced,oxidizing agent,and reducing agent in the following reaction: Fe2O3+3CO ----- 2Fe+3CO2 - Science - Chemical Reactions and Equations Oxidation means an increase in oxidation state and a loss of electrons and involves a reducing agent. 16H++2Cr2O72?+C2H5OH?4Cr3++11H2O+2CO2 20. either a proton donor or a proton acceptor. Which best describes the oxidizing agent in this reaction? Chemistry. This is because the oxidation number of Fe decreases from +3 to 0. Which of these equations best represents the reaction that takes place in the stomach when the antacid. 26.6 kJ of energy are absorbed for Iron. iii. Br −(aq) + MnO4−(aq) → Br2(l) + Mn2+(aq) ... Fe2O3 + 3CO → 2Fe + 3CO2. Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. In general, one element will lose electrons (oxidation), with the result that it will increase in oxidation number, and another element will gain electrons (reduction), thereby decreasing in oxidation number. But it cannot change an element into another element. Fe2O3+3CO?2Fe+3CO2 Redox reactions involve the transfer of _______. Click hereto get an answer to your question ️ The oxidizing agent in the given reaction is: Fe2O3 + 3CO→ 2Fe + 3CO2 ... Oxidizing and Reducing Agents. Reduction means a decrease in oxidation state and a gain of electrons and involves an oxidizing agent. Solution: Nitric acid is an oxidizing agent and reacts with PbO to give a simple acid-base reaction without any change in oxidation state. 2Fe(s)+3CO2(g)--->Fe2O3(s)+3CO(g) delta H = 26.6 kJ A. Disinfectants, Antiseptics, Bleaches, Water treatment. Which substance is the oxidizing agent in this reaction?. What Is The Oxidizing Agent? Which of these statements about redox reactions is incorrect? Which of these gases is targeted by the 1990 Clean Air Act for a 50% reduction of emission by 2010? In this reaction, 3CO gains oxygen (while reacting with Fe2O3) and becomes 3CO2. Or if you need more Redox Reactions practice, you can also practice Redox Reactions practice problems. iv. Fe2O3 + 3CO → 2Fe + 3CO2. Problem: Which substance is the oxidizing agent in this reaction?Fe2O3 + 3 CO → 2 Fe + 3 CO2Express your answer as a chemical formula.Oxidation-reduction reactions (often called "redox" for short) are reactions that involve the transfer of electrons from one species to another. Which substance is the oxidizing agent in this reaction? 2Fe + 3/2 O2 → Fe2O3 ; asked Oct 8, 2020 in Thermodynamics by Rajan01 ( 46.3k points) thermodynamics Which substance is the oxidizing agent in this reaction?. Bitter, slippery, and turn red paper blue. Cl2(aq) + 2Br(aq) 2Cl(aq) + Br2(aq) ... Fe2O3 + 3CO → 2Fe + 3CO2. ... What is being oxidized in this reaction? Recall the mnemonic for redox reactions: L oss E lectrons → O xidation → Reducing Agent. Which of these methods are utilized to help prevent the rusting of iron? In other words, it is said to be oxidized. A substance that adds electrons to or removes oxygen from another substance. Which of these is correctly associated with the cathode? Our expert Chemistry tutor, Sabrina took 3 minutes and 33 seconds to solve this problem. Oxidation states, or oxidation numbers, allow chemists to keep track of these electron transfers. pH = 3.0 is ten times more acidic than pH = 2. Please explain the answer. Join thousands of students and gain free access to 46 hours of Chemistry videos that follow the topics your textbook covers. Which substance is the oxidizing agent in this redox reaction? Express your answer as a chemical formula. Our tutors have indicated that to solve this problem you will need to apply the Redox Reactions concept. Which of these is a possible anodic reaction which occurs during the corrosion of iron? An oxidizing agent is an element or compound in a redox reaction that oxidizes another species and itself gets reduced and is therefore the electron acceptor in the reaction. Which identifies an oxidation-reduction reaction? A nuclear reaction can do that, for example uranium into plutonium. Which of these methods of reducing SO2 emissions employs spraying limestone and water in coal, The combustion of which of these fuels is the most significant contributor in the formation of acid, Rusting of iron, Respiration,Burning hydrocarbons. Which of these is the best definition of an Arrhenius base? a.are very reactive, are very unstable, contribute to aging in humans, can alter biological molecules. Which element is reduced in this reaction?16H+ + 2Cr2O72- + C2H5OH → 4Cr3+ + 11H2O + 2CO2, Which element is oxidized in this reaction?2CuO + C → 2Cu + CO 2, Which element is reduced in this reaction?16H+ + 2Cr2O72- + C2H5OH → 4Cr3+ + 11H2O + 2CO2. Thus, NH3 acts as reducing agent. ii. Rank these compounds in increasing acidity (least acidic to most acidic).
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