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