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