Cr 2 O 7 2-+6S 2 O 3 2-+ 14H + =2Cr 3+ + 3S 4 O 6 2-+7H 2 O. a)Cr 2 O 7 2- b)S 2 O 3 2-c)H + d)Cr 3+ e)S 4 O 6 2-f)H 2 O. g)none of these; this is not a redox reaction. So, Ti is the reducing agent because its oxidation state changes from 0 to + 4. Relevance. The CO is the reducing agent. chlorine (cl) loses an electron, so it is the reducing agent. Lily. c. chlorine (cl) loses an electron, so it is the reducing agent. b. This means that Iodine has gained 5 electrons. cl2(aq) + 2br(aq) 2cl(aq) + br2(aq)bromine (br) loses an electron, so it is the reducing agent. Cr changes from oxidation number +2 to +3. Write five observation of cotton ball and pine cone of the solid. Table sugar completely dissolved in water is an example of a? (Recall that O has an oxidation number of -2.) 1 Answers. Zn (s) + 2HCl (aq) mc014-1. Cl 2 is reduced to Cl = (the oxidation number of chlorine goes down from 0 to -1). (Note: the oxidizing and reducing agents can be the same element or compound, as in disproportionation reactions). The mechanism that scientist think is most important is? which best describes the reducing agent in the reaction below? Lv 7. Conversely, the species that donates electrons is called the reducing agent; when the reaction occurs, it reduces the other species. Cl₂ is the oxidizing agent because its oxidation state changes from 0 to - 1. Please enable Cookies and reload the page. Log in. What is the reducing agent in the reaction below? Hence option A is correct. Cl2 (aq) + 2Brmc004-1. A reducing agent is an element or a compound that looses or donates electrons in a chemical reaction. Which best describes the reducing agent in the reaction below? 86. The Cr2O3 is the oxidizing agent. Cloudflare Ray ID: 60eaed704be23ddf The substance which reduced is an oxidizing agent, so Cl 2 is the oxidizing agent.. Na(s) ---> Na + +e-. 1. The CO is the reducing agent. Join now. Join now. 1 See answer namaniya4950 is waiting for your help. The CO is the reducing agent. Chlorine is gaining electrons so it is being reduced. agent, and oxidants get reduced by a reducing agent. Thus, the MnO 4- ion acts as an oxidizing agent in this reaction. Oxidizing agents such as Oxygen take electrons and become more negative ( or in this case less positive) Bromine has gone from a charge of zero to a charge of + 5. Bromine (Br) gains an electron, so it is the reducing agent. An oxidizing agent is the species that is being reduced (causing the oxidation of the other reactant). Answer Save. Which substance is serving as the reducing agent in the following reaction 14H. A reducing agent is a term in chemistry that refers to an atom which donates electrons in an oxidation -reduction reaction. Mg+NiO2+2H2O -----> Mg(OH)2+Ni(OH)2? The reducing agent is the agent that is being oxidized, or the agent that gains the electrons: it is the agent that causes the reduction of another substance. 2 Answers. • The permanganate ion removes electrons from oxalic acid molecules and thereby oxidizes the oxalic acid. hydrogen. The reduced atom is called the oxidizing agent; it takes electrons from the oxidized atom, which is another name for the reducing agent. Which substance is serving as the reducing agent in the following reaction? K 2 Cr 2 O7 + 3H 2 C 2 O 4 + _H 2 SO 4 → Cr 2 (SO 4) 3 + _H 2 O + 6CO 2 + K 2 SO 4 What is the reducing agent in this reaction Therefore, Cu (s) is the reducing agent and causes Ag+ (aq) to gain electrons. Reducing agents "reduce" (or, are "oxidized" by) oxidizing agents. Favourite answer. 1. But-2-enal, CH3CH=CHCHO, is a pale yellow, flammable liquid with an irritating odour. Nitrate ion is a spectator ion and is not involved in the actual reaction. The oxidizing agent: is the agent that has been reduced via gaining electrons. 1. 5 years ago. Chlorine (Cl) loses an electron, so Cl2(aq) + 2Brmc004-1.jpg(aq) mc004-2.jpg 2Clmc004-3.jpg(aq) + Br2(aq) Bromine (Br) loses an electron, so it is the reducing agent. School Northeastern University; Course Title CHEM chem 313; Uploaded By Master_World_Leopard14. A reducing agent (also called a reductant or reducer) is an element or compound that loses (or "donates") an electron to an electron recipient (oxidizing agent) in a redox chemical reaction. Na(s) is the reducing agent in the reaction below. This preview shows page 17 - 21 out of 24 pages. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Cr changes from oxidation number +3 to +2. (a) (i) Describe a simple chemical test that would show that but-2-enal is an aldehyde. 2Na A reducing agent is thus oxidized when it loses electrons in the redox reaction. C changes from oxidation number +2 to +4. The atom that gains those electrons is said to be reduced. Expert Answer 100% (4 ratings) Previous question Next question Get more help from Chegg. Bromine losses an electron and therefore it is the reducing agent while chlorine gains electrons and … The CO is the reducing agent. 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 2 See answers kvnmurty kvnmurty A) The oxidation state of Oxygen is reduced, from 0 to -1. Oxalic acid, on the other hand, is a reducing agent in this reaction. How many grams are in 3.4x10^24 molecules of ammonia? jpg (aq) + Br2 (aq) Bromine (Br) loses an electron, so it is the reducing agent. Refer to the unbalanced equation below when answering this question. (ii) Complete and balance the equation for this reaction, using [H] to represent the reducing agent. Iron is being oxidized. The equation shows the reaction between zinc metal and hydrochloric acid. C14H10O2 [1] [Total 2 marks] 5. jpg ZnCl2 (aq) + H2 (g) What is the theoretical yield of hydrogen gas if 5.00 mol of zinc are added to an excess of hydrochloric acid? 4 years ago . Bromine (Br) gains an electron, so it is the reducing agent. Since it isn't bonded to anything, its oxidation state is equal to its charge. b. bromine (br) gains an electron, so it is the reducing agent. Reducing agents are typically electropositive elements such as hydrogen, lithium, sodium, iron, and aluminum, which lose electrons in redox reactions. Which best identifies why the rusting of an iron nail in the presence of water and oxygen is an oxidation-reduction reaction? Because sodium makes it possible for chlorine to be reduced, sodium is the reducing agent in this reaction. Bromine has lost 5 electrons. Iodine is oxidizing agent Bromine is the reducing agent Iodine has gone from a charge of +5 to a charge of zero. Which best describes the reducing agent in the reaction below? Electrons are transferred. 2Na(s) is oxidized to Na + (the oxidation number of sodium goes up from 0 to +1). Which answer best describes what is happening in the following reaction? Cr changes from oxidation number +3 to 0. Looking at the equation above, Ag+ (aq) acts as the oxidizing agent because it causes Cu (s) to lose electrons. Which is a good example of a contact force? The CO is the reducing agent. © 2021 Education Expert, All rights reserved. Log in. pisgahchemist. Your IP: 159.65.38.93 • Pages 24. Which of the following is the reducing agent in the following reaction? Another way to prevent getting this page in the future is to use Privacy Pass. chlorine (cl) gains an electron, so it is the reducing agent. You may need to download version 2.0 now from the Chrome Web Store. Because chlorine makes it possible for sodium to be oxidized, chlorine is the oxidizing agent. Cl2(aq) + 2Br-(aq) ----->2Cl-(aq) + Br2(aq) a. Bromine (Br) loses an electron, so it is the reducing agent. Bromine is giving or losing electrons and is reducing the chlorine atoms so Bromine is the reducing agent. What is the oxidation number for S in the compound SO3? (b) H 2 O is the reducing agent because of the addition of electronegative F to get oxidised to HOF. (c) CO is a reducing agent. Mg + F2 → MgF2 By giving up electrons, it reduces the MnO 4- ion to Mn 2+. Three Mechanisms drive plate motion: mantle convection, slab pull, and ridge push. How much glycerol (is liquid supplied at 100%) would you need to make 200 mL of 20% v/v (volume/volume) glycerol solution? Ask your question. Nitrogen and … So Ammonia is reducing agent. Fe---->Fe2++2e-Which statement best describes what is taking place in this half reaction? The Cr2O3 is the oxidizing agent. While there are some references to the equation you give, there is little information about "NiO2." These rules can be applied to the reaction below: Fe3+ + lactate Fe2+ + pyruvate For the Fe2+ and Fe3+, figuring the oxidation state is easy. bromine (br) gains an electron, so it is the reducing agent. Aqueous potassium manganate (VII) to the reducing agent; Shake the mixture; The aqueous potassium manganate (VII) is decolourised; The table below shows the common and important reducing agents. Favorite Answer. Bromine is losing electrons, so it is the reducing agent. jpg 2Clmc004-3. Thus, The right answer is Ti is the reducing agent … Performance & security by Cloudflare, Please complete the security check to access. It reduces F to HF by the addition of hydrogen. Cl2 is the oxidizing agent. Zinc is oxidized. 2C8H18 + 25O2 16CO2 + 18H2O +6. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Which best describes the reducing agent in the reaction below? Here, Ti losses 4 electrons and its oxidation state is changed from 0 to + 4 and Cl₂ gains one electron and its oxidation state is changed from 0 to - 1. The Cr2O3 is the … Identify the oxidizing agent in the reaction: Cl2 + 2Br- → 2Cl- + Br2? jpg (aq) mc004-2. Cu2+ (aq) + Zn (s) --> Zn2+ (aq) + Cu (s) Copper is reduced. The Cr2O3 is the oxidizing agent. In the reaction that forms sodium chloride from the elements sodium and chlorine, sodium is oxidized, and chlorine is reduced. 5.05 g 10. B. The reducing agent undergoes oxidation (loss of electrons) in a chemical reaction. C. C changes from oxidation number +2 to +4. (a) NH 3 is the reducing agent because it gets oxidised to NO by the removal of hydrogen and addition of oxygen. Add your answer … O, has been reduced to H 2 O by the addition of hydrogen. All you have to do is determine which reactant is being reduced. Cl 2 +2e → Cl-. cl2(aq)+2br-(> 2cl-(aq)+br2(aq) a. bromine (br) loses an electron, so it is the reducing agent. 1 Answer. Which substance is serving as the reducing agent in. Chlorine (Cl) loses an electron, so it is the reducing agent. namaniya4950 namaniya4950 17.12.2017 Science Secondary School What is the reducing agent in the following reaction below 2mno4 + br-? D. C changes from oxidation number +4 to +2. Hydrides (compounds that contain hydrogen in the formal -1 oxidation state), such as sodium hydride, sodium borohydride and lithium aluminum hydride, are often used as reducing agents in organic and organometallic reactions. In other words, what is oxidized is the reducing agent and what is reduced is the oxidizing agent. Oxidizing agent Cu2+ Reducing agent Zn b) Cl 2 (g) + 2 Na (s)-----> 2 Na+ (aq) + 2 Cl - (aq) Substance oxidized Na Substance reduced Cl 2 Oxidizing agent Cl 2 Reducing agent Na WS # 3 Spontaneous and Non-spontaneous Redox Reactions Describe each reaction as spontaneous or non-spontaneous. Cr changes from oxidation number +3 to 0. I am having trouble deciding which one is losingelectrons/being oxidized. Explanation: 2Na(s) + Cl 2 (g) → 2NaCl(s). Relevance. Click hereto get an answer to your question ️ Which of the following is the reducing agent in the following reaction? Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Which best describes the reducing agent in the reaction below? Answer Save. Testing for presence of reducing agent: Add an oxidising agent, e.g. Which best describes the reducing agent in the reaction below? Consider the half reaction below. A reducing agent is one of the reactants of an oxidation-reduction reaction which reduces the other reactant by giving out electrons to the reactant.If the reducing agent does not pass electrons to other substance in a reaction, then the reduction process cannot occur. Click here to get an answer to your question ️ What is the reducing agent in the following reaction below 2mno4 + br-? And gives you temporary access to the unbalanced equation below when answering this question equation this... And thereby oxidizes the oxalic acid redox reaction compound that looses or electrons! + ( the oxidation number for s in the reaction: Cl2 + →! Cloudflare Ray ID: 60eaed704be23ddf • your IP: 159.65.38.93 • Performance & security by cloudflare Please. 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Total 2 marks ] 5 below 2mno4 + br- a good example of a contact force irritating odour ridge.. An aldehyde Ti is the reducing agent best identifies why the rusting an... That scientist think is most important is MnO 4- ion acts as an agent! Are some references to the web property said to be reduced, is! Being reduced oxidizes the oxalic acid deciding which one is losingelectrons/being oxidized: 60eaed704be23ddf • IP. This half reaction Ray ID: 60eaed704be23ddf • your IP: 159.65.38.93 • Performance & by. Would show that but-2-enal is an element or compound, as in disproportionation ). By ) oxidizing agents chlorine goes down from 0 to - 1 the reducing agent ;... Security check to access down from 0 to - 1 reaction between zinc metal hydrochloric... You are a human and gives you temporary access to the equation for reaction... The right answer is Ti is the reducing agent undergoes oxidation ( of... C. C changes from oxidation number +2 to +4 ) Describe a chemical. 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