Zn (s) + 2HCl (aq) mc014-1. Which best describes the reducing agent in the reaction below? Nitrate ion is a spectator ion and is not involved in the actual reaction. Cl 2 is reduced to Cl = (the oxidation number of chlorine goes down from 0 to -1). Nitrogen and … Cr changes from oxidation number +2 to +3. A reducing agent is thus oxidized when it loses electrons in the redox reaction. Your IP: 159.65.38.93 Cr changes from oxidation number +3 to 0. Cr changes from oxidation number +3 to +2. C14H10O2 [1] [Total 2 marks] 5. Ask your question. Refer to the unbalanced equation below when answering this question. Therefore, Cu (s) is the reducing agent and causes Ag+ (aq) to gain electrons. Which substance is serving as the reducing agent in. B. Bromine is giving or losing electrons and is reducing the chlorine atoms so Bromine is the reducing agent. 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. Which best describes the reducing agent in the reaction below? Conversely, the species that donates electrons is called the reducing agent; when the reaction occurs, it reduces the other species. The mechanism that scientist think is most important is? Cl2 is the oxidizing agent. 86. (Note: the oxidizing and reducing agents can be the same element or compound, as in disproportionation reactions). How much glycerol (is liquid supplied at 100%) would you need to make 200 mL of 20% v/v (volume/volume) glycerol solution? So, Ti is the reducing agent because its oxidation state changes from 0 to + 4. Write five observation of cotton ball and pine cone of the solid. cl2(aq)+2br-(> 2cl-(aq)+br2(aq) a. bromine (br) loses an electron, so it is the reducing agent. c. chlorine (cl) loses an electron, so it is the reducing agent. 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. Which substance is serving as the reducing agent in the following reaction 14H. 1 See answer namaniya4950 is waiting for your help. Cu2+ (aq) + Zn (s) --> Zn2+ (aq) + Cu (s) Copper is reduced. Reducing agents "reduce" (or, are "oxidized" by) oxidizing agents. C. C changes from oxidation number +2 to +4. The CO is the reducing agent. Cl2 (aq) + 2Brmc004-1. Chlorine is gaining electrons so it is being reduced. (ii) Complete and balance the equation for this reaction, using [H] to represent the reducing agent. 5.05 g 10. By giving up electrons, it reduces the MnO 4- ion to Mn 2+. Which substance is serving as the reducing agent in the following reaction? jpg 2Clmc004-3. Testing for presence of reducing agent: Add an oxidising agent, e.g. hydrogen. Table sugar completely dissolved in water is an example of a? A reducing agent is an element or a compound that looses or donates electrons in a chemical reaction. It reduces F to HF by the addition of hydrogen. Chlorine (Cl) loses an electron, so it is the reducing agent. School Northeastern University; Course Title CHEM chem 313; Uploaded By Master_World_Leopard14. Click hereto get an answer to your question ️ Which of the following is the reducing agent in the following reaction? The permanganate ion removes electrons from oxalic acid molecules and thereby oxidizes the oxalic acid. An oxidizing agent is the species that is being reduced (causing the oxidation of the other reactant). (b) H 2 O is the reducing agent because of the addition of electronegative F to get oxidised to HOF. The atom that gains those electrons is said to be reduced. (a) (i) Describe a simple chemical test that would show that but-2-enal is an aldehyde. jpg (aq) + Br2 (aq) Bromine (Br) loses 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. Explanation: 2Na(s) + Cl 2 (g) → 2NaCl(s). (Recall that O has an oxidation number of -2.) Another way to prevent getting this page in the future is to use Privacy Pass. 1. What is the reducing agent in the reaction below? 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. (c) CO is a reducing agent. 1. The Cr2O3 is the oxidizing agent. Expert Answer 100% (4 ratings) Previous question Next question Get more help from Chegg. In the reaction that forms sodium chloride from the elements sodium and chlorine, sodium is oxidized, and chlorine is reduced. Join now. This preview shows page 17 - 21 out of 24 pages. 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 (cl) gains an electron, so it is the reducing agent. Because chlorine makes it possible for sodium to be oxidized, chlorine is the oxidizing agent. All you have to do is determine which reactant is being reduced. Identify the oxidizing agent in the reaction: Cl2 + 2Br- → 2Cl- + Br2? 1. Join now. jpg (aq) mc004-2. Favourite answer. O, has been reduced to H 2 O by the addition of hydrogen. 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 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. The CO is the reducing agent. Which best describes the reducing agent in the reaction below? Thus, the MnO 4- ion acts as an oxidizing agent in this reaction. Which best describes the reducing agent in the reaction below? Consider the half reaction below. Log in. The Cr2O3 is the … The oxidizing agent: is the agent that has been reduced via gaining electrons. The reduced atom is called the oxidizing agent; it takes electrons from the oxidized atom, which is another name for the reducing agent. Favorite Answer. Cl 2 +2e → Cl-. bromine (br) gains an electron, so it is the reducing agent. Electrons are transferred. Click here to get an answer to your question ️ What is the reducing agent in the following reaction below 2mno4 + br-? Because sodium makes it possible for chlorine to be reduced, sodium is the reducing agent in this reaction. Since it isn't bonded to anything, its oxidation state is equal to its charge. 1 Answers. 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? The CO is the reducing agent. 5 years ago. Fe---->Fe2++2e-Which statement best describes what is taking place in this half reaction? 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? Zinc is oxidized. How many grams are in 3.4x10^24 molecules of ammonia? Performance & security by Cloudflare, Please complete the security check to access. Mg + F2 → MgF2 Hence option A is correct. Lv 7. 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. (a) NH 3 is the reducing agent because it gets oxidised to NO by the removal of hydrogen and addition of oxygen. cl2(aq) + 2br(aq) 2cl(aq) + br2(aq)bromine (br) loses an electron, so it is the reducing agent. 2C8H18 + 25O2 16CO2 + 18H2O +6. 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. Answer Save. I am having trouble deciding which one is losingelectrons/being oxidized. Which is a good example of a contact force? Na(s) is the reducing agent in the reaction below. 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. Cl₂ is the oxidizing agent because its oxidation state changes from 0 to - 1. Answer Save. Which best describes the reducing agent in the reaction below? This means that Iodine has gained 5 electrons. Which answer best describes what is happening in the following reaction? So Ammonia is reducing agent. The Cr2O3 is the oxidizing agent. The CO is the reducing agent. 2Na Three Mechanisms drive plate motion: mantle convection, slab pull, and ridge push. 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 Bromine (Br) gains an electron, so it is the reducing agent. A reducing agent is a term in chemistry that refers to an atom which donates electrons in an oxidation -reduction reaction. 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. chlorine (cl) loses an electron, so it is the reducing agent. Chlorine (Cl) loses an electron, so These rules can be applied to the reaction below: Fe3+ + lactate Fe2+ + pyruvate For the Fe2+ and Fe3+, figuring the oxidation state is easy. Looking at the equation above, Ag+ (aq) acts as the oxidizing agent because it causes Cu (s) to lose electrons. The substance which reduced is an oxidizing agent, so Cl 2 is the oxidizing agent.. Na(s) ---> Na + +e-. Lily. pisgahchemist. Iodine is oxidizing agent Bromine is the reducing agent Iodine has gone from a charge of +5 to a charge of zero. Add your answer … © 2021 Education Expert, All rights reserved. C changes from oxidation number +2 to +4. Relevance. Bromine (Br) gains an electron, so it is the reducing agent. The equation shows the reaction between zinc metal and hydrochloric acid. Cloudflare Ray ID: 60eaed704be23ddf b. The CO is the reducing agent. Which best identifies why the rusting of an iron nail in the presence of water and oxygen is an oxidation-reduction reaction? Iron is being oxidized. namaniya4950 namaniya4950 17.12.2017 Science Secondary School What is the reducing agent in the following reaction below 2mno4 + br-? 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. In other words, what is oxidized is the reducing agent and what is reduced is the oxidizing agent. 4 years ago . Bromine losses an electron and therefore it is the reducing agent while chlorine gains electrons and … Bromine is losing electrons, so it is the reducing agent. 2Na(s) is oxidized to Na + (the oxidation number of sodium goes up from 0 to +1). 2 Answers. Which of the following is the reducing agent in the following reaction? While there are some references to the equation you give, there is little information about "NiO2." Pages 24. You may need to download version 2.0 now from the Chrome Web Store. D. C changes from oxidation number +4 to +2. agent, and oxidants get reduced by a reducing agent. • The reducing agent undergoes oxidation (loss of electrons) in a chemical reaction. 1 Answer. Oxalic acid, on the other hand, is a reducing agent in this reaction. b. bromine (br) gains an electron, so it is the reducing agent. Relevance. Cr changes from oxidation number +3 to 0. Thus, The right answer is Ti is the reducing agent … The Cr2O3 is the oxidizing agent. Mg+NiO2+2H2O -----> Mg(OH)2+Ni(OH)2? Please enable Cookies and reload the page. Bromine has lost 5 electrons. Log in. What is the oxidation number for S in the compound SO3? But-2-enal, CH3CH=CHCHO, is a pale yellow, flammable liquid with an irritating odour. 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. Cl2(aq) + 2Br-(aq) ----->2Cl-(aq) + Br2(aq) a. 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. Identify the oxidizing agent in the reaction below ratings ) Previous question Next question get more help from.... Number +2 to +4 metal and hydrochloric acid c14h10o2 [ 1 ] [ Total 2 marks ] 5 best. 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Are some references to the unbalanced equation below when answering this question ) Previous question Next question more... Electrons ) in a chemical reaction which one is losingelectrons/being oxidized mantle convection, slab pull, and oxidants reduced!