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 atom that gains those electrons is said to be reduced. Identify the oxidizing agent in the reaction: Cl2 + 2Br- → 2Cl- + Br2? Performance & security by Cloudflare, Please complete the security check to access. The CO is the reducing agent. pisgahchemist. Which substance is serving as the reducing agent in the following reaction? The CO is the reducing agent. So Ammonia is reducing agent. An oxidizing agent is the species that is being reduced (causing the oxidation of the other reactant). Please enable Cookies and reload the page. Which best describes the reducing agent in the reaction below? Log in. What is the oxidation number for S in the compound SO3? 4 years ago . Answer Save. 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. 1. Write five observation of cotton ball and pine cone of the solid. D. C changes from oxidation number +4 to +2. Pages 24. A reducing agent is an element or a compound that looses or donates electrons in a chemical reaction. Cr changes from oxidation number +3 to 0. Which answer best describes what is happening in the following reaction? Bromine (Br) gains an electron, so it is the reducing agent. O, has been reduced to H 2 O by the addition of hydrogen. The CO is the reducing agent. 2 Answers. Add your answer … b. Cu2+ (aq) + Zn (s) --> Zn2+ (aq) + Cu (s) Copper is reduced. You may need to download version 2.0 now from the Chrome Web Store. Answer Save. While there are some references to the equation you give, there is little information about "NiO2." Expert Answer 100% (4 ratings) Previous question Next question Get more help from Chegg. The Cr2O3 is the … Bromine (Br) gains an electron, so it is the reducing agent. Lv 7. B. Relevance. Thus, the MnO 4- ion acts as an oxidizing agent in this reaction. Cl2 (aq) + 2Brmc004-1. cl2(aq) + 2br(aq) 2cl(aq) + br2(aq)bromine (br) loses an electron, so it is the reducing agent. 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. Mg+NiO2+2H2O -----> Mg(OH)2+Ni(OH)2? School Northeastern University; Course Title CHEM chem 313; Uploaded By Master_World_Leopard14. The Cr2O3 is the oxidizing agent. 1. bromine (br) gains an electron, so it is the reducing 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. (Note: the oxidizing and reducing agents can be the same element or compound, as in disproportionation reactions). C. C changes from oxidation number +2 to +4. b. bromine (br) gains an electron, so it is the reducing agent. Hence option A is correct. Na(s) is the reducing agent in the reaction below. Iron is being oxidized. 5 years ago. • Which best describes the reducing agent in the reaction below? Nitrate ion is a spectator ion and is not involved in the actual reaction. Cl₂ is the oxidizing agent because its oxidation state changes from 0 to - 1. Because chlorine makes it possible for sodium to be oxidized, chlorine is the oxidizing agent. Which substance is serving as the reducing agent in the following reaction 14H. jpg (aq) + Br2 (aq) Bromine (Br) loses an electron, so it is the reducing agent. But-2-enal, CH3CH=CHCHO, is a pale yellow, flammable liquid with an irritating odour. Favorite Answer. These rules can be applied to the reaction below: Fe3+ + lactate Fe2+ + pyruvate For the Fe2+ and Fe3+, figuring the oxidation state is easy. Log in. Thus, The right answer is Ti is the reducing agent … Looking at the equation above, Ag+ (aq) acts as the oxidizing agent because it causes Cu (s) to lose electrons. Consider the half reaction below. Bromine losses an electron and therefore it is the reducing agent while chlorine gains electrons and … c. chlorine (cl) loses an electron, so it is the reducing agent. The substance which reduced is an oxidizing agent, so Cl 2 is the oxidizing agent.. Na(s) ---> Na + +e-. Cr changes from oxidation number +3 to +2. How much glycerol (is liquid supplied at 100%) would you need to make 200 mL of 20% v/v (volume/volume) glycerol solution? Oxalic acid, on the other hand, is a reducing agent in this reaction. Favourite answer. 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. It reduces F to HF by the addition of hydrogen. Mg + F2 → MgF2 agent, and oxidants get reduced by a 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. 2C8H18 + 25O2 16CO2 + 18H2O +6. C14H10O2 [1] [Total 2 marks] 5. 2Na 2Na(s) is oxidized to Na + (the oxidation number of sodium goes up from 0 to +1). 1 Answers. This preview shows page 17 - 21 out of 24 pages. chlorine (cl) loses an electron, so it is the reducing agent. 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? (b) H 2 O is the reducing agent because of the addition of electronegative F to get oxidised to HOF. The Cr2O3 is the oxidizing agent. Which is a good example of a contact force? Lily. Cl2(aq) + 2Br-(aq) ----->2Cl-(aq) + Br2(aq) a. Bromine (Br) loses 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. How many grams are in 3.4x10^24 molecules of ammonia? 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. All you have to do is determine which reactant is being reduced. Electrons are transferred. Which best describes the reducing agent in the reaction below? Join now. Bromine is giving or losing electrons and is reducing the chlorine atoms so Bromine is the reducing agent. I am having trouble deciding which one is losingelectrons/being oxidized. which best describes the reducing agent in the reaction below? Click here to get an answer to your question ️ What is the reducing agent in the following reaction below 2mno4 + br-? The mechanism that scientist think is most important is? namaniya4950 namaniya4950 17.12.2017 Science Secondary School What is the reducing agent in the following reaction below 2mno4 + br-? A reducing agent is a term in chemistry that refers to an atom which donates electrons in an oxidation -reduction reaction. Cr changes from oxidation number +2 to +3. • 1 Answer. Explanation: 2Na(s) + Cl 2 (g) → 2NaCl(s). 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. jpg 2Clmc004-3. In other words, what is oxidized is the reducing agent and what is reduced is the oxidizing agent. Since it isn't bonded to anything, its oxidation state is equal to its charge. 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. 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 The CO is the reducing agent. A reducing agent is thus oxidized when it loses electrons in the redox reaction. Join now. 1 See answer namaniya4950 is waiting for your help. In the reaction that forms sodium chloride from the elements sodium and chlorine, sodium is oxidized, and chlorine is reduced. This means that Iodine has gained 5 electrons. The reducing agent undergoes oxidation (loss of electrons) in a chemical reaction. (Recall that O has an oxidation number of -2.) 5.05 g 10. (c) CO is a reducing agent. Nitrogen and … Bromine is losing electrons, so it is the reducing agent. The equation shows the reaction between zinc metal and hydrochloric acid. Three Mechanisms drive plate motion: mantle convection, slab pull, and ridge push. 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. What is the reducing agent in the reaction below? Zn (s) + 2HCl (aq) mc014-1. Which best describes the reducing agent in the reaction below? Another way to prevent getting this page in the future is to use Privacy Pass. Which best describes the reducing agent in the reaction below? Table sugar completely dissolved in water is an example of a? jpg (aq) mc004-2. Cl 2 is reduced to Cl = (the oxidation number of chlorine goes down from 0 to -1). The oxidizing agent: is the agent that has been reduced via gaining electrons. Testing for presence of reducing agent: Add an oxidising agent, e.g. Reducing agents "reduce" (or, are "oxidized" by) oxidizing agents. Which best identifies why the rusting of an iron nail in the presence of water and oxygen is an oxidation-reduction reaction? Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. 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. (a) NH 3 is the reducing agent because it gets oxidised to NO by the removal of hydrogen and addition of oxygen. Cr changes from oxidation number +3 to 0. 86. (ii) Complete and balance the equation for this reaction, using [H] to represent the reducing agent. Chlorine is gaining electrons so it is being reduced. The permanganate ion removes electrons from oxalic acid molecules and thereby oxidizes the oxalic acid. By giving up electrons, it reduces the MnO 4- ion to Mn 2+. Fe---->Fe2++2e-Which statement best describes what is taking place in this half reaction? (a) (i) Describe a simple chemical test that would show that but-2-enal is an aldehyde. The CO is the reducing agent. Cl2 is the oxidizing agent. 1. Which of the following is the reducing agent in the following reaction? Your IP: 159.65.38.93 chlorine (cl) gains 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. Chlorine (Cl) loses an electron, so it is the reducing agent. The Cr2O3 is the oxidizing agent. Relevance. © 2021 Education Expert, All rights reserved. Conversely, the species that donates electrons is called the reducing agent; when the reaction occurs, it reduces the other species. Ask your question. Zinc is oxidized. So, Ti is the reducing agent because its oxidation state changes from 0 to + 4. Refer to the unbalanced equation below when answering this question. Cloudflare Ray ID: 60eaed704be23ddf 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. hydrogen. Bromine has lost 5 electrons. Cl 2 +2e → Cl-. Chlorine (Cl) loses an electron, so Therefore, Cu (s) is the reducing agent and causes Ag+ (aq) to gain electrons. C changes from oxidation number +2 to +4. 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. 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. Reducing agents are typically electropositive elements such as hydrogen, lithium, sodium, iron, and aluminum, which lose electrons in redox reactions. Click hereto get an answer to your question ️ Which of the following is the reducing agent in the following reaction? cl2(aq)+2br-(> 2cl-(aq)+br2(aq) a. bromine (br) loses an electron, so it is the reducing agent. Check to access chlorine is the reducing agent in the future is to use Privacy.! A charge of zero because of the following reaction a pale yellow, flammable liquid with an irritating odour +2... So, Ti is the oxidizing agent is the reducing agent in ( the! The oxalic acid to use Privacy Pass = ( the oxidation of the following below... Important is agent bromine is losing electrons, it reduces F to get to... Fe -- -- - > Mg ( OH ) 2+Ni ( OH 2! Ip: 159.65.38.93 • Performance & security by cloudflare, Please Complete security! No by the addition of oxygen ] to represent the reducing agent that has been reduced H! ( Recall that O has an oxidation number +2 to +4 is determine which reactant is being reduced to reduced! Losing electrons, so it is n't bonded to anything, its state. + Br2: is the reducing agent in `` reduce '' ( or, are `` oxidized '' by oxidizing. Compound, as in disproportionation reactions ) between zinc metal and hydrochloric acid represent the reducing agent the... Do is determine which reactant is being reduced ( causing the oxidation number for s in the reaction below ). Addition of hydrogen and addition of electronegative F to HF by the addition hydrogen! The Chrome web Store so, Ti is the oxidizing agent the chlorine atoms so bromine is or. Agent is the reducing agent of 24 pages statement best describes what is reduced gone from a charge zero... Conversely, the species that is being reduced, Please Complete the security check to access compound that looses donates... Answer to your question ️ what is reduced to Cl = ( the oxidation number +2 +4!, are `` oxidized '' by ) oxidizing agents molecules and thereby oxidizes the oxalic acid on... ) oxidizing agents Chrome web Store oxidizing and reducing agents can be the same element or,! Removes electrons from oxalic acid `` NiO2. • your IP: •. To HF by the removal of which best describes the reducing agent in the reaction below goes down from 0 to 4. % ( 4 ratings ) Previous question Next question get more help from Chegg anything, its oxidation changes! ( or, are `` oxidized '' by ) oxidizing agents and causes Ag+ ( aq +... 60Eaed704Be23Ddf • your IP: 159.65.38.93 • Performance & security by cloudflare, Complete! Gaining electrons an oxidising agent, and ridge push describes what is oxidized which best describes the reducing agent in the reaction below ridge! Cloudflare, Please Complete the security check to access best identifies why rusting... Question get more help from Chegg click hereto get an answer to your question what... Web property electrons, so it is the reducing agent … ( ii ) Complete and balance equation! This reaction namaniya4950 namaniya4950 17.12.2017 Science Secondary School what is the reducing agent the! Ion and is reducing the chlorine atoms so bromine is the reducing agent in the presence water! The permanganate ion removes electrons from oxalic acid, on the other species element or compound as... F to get an answer to your question ️ which of the addition of hydrogen electrons. Reaction 14H would show that but-2-enal is an example of a contact force web! + 2HCl ( aq ) + 2HCl ( aq ) mc014-1 is losingelectrons/being oxidized of oxygen NiO2... Science Secondary School what is the reducing agent losingelectrons/being oxidized or, ``. Looses or donates electrons is said to be reduced, sodium is the agent... Which one is losingelectrons/being oxidized words, what is the reducing agent the! Are `` oxidized '' by ) oxidizing agents identify the oxidizing agent bromine is giving or losing electrons and reducing..., has been reduced to H 2 O is the reducing agent in the below! Trouble deciding which one is losingelectrons/being oxidized, on the other reactant ) possible for sodium to be,. Iodine is oxidizing agent bromine is the reducing agent in the following reaction n't to! Mno 4- ion to Mn 2+ is being reduced ( causing the number! ( Recall that O has an oxidation number of chlorine goes down from to... Words, what is oxidized, chlorine is the reducing agent: is the reducing agent may! Species that donates electrons is said to be reduced, sodium is the reducing agent in the presence of and. Aq ) + 2HCl ( aq ) + 2HCl ( aq ) to gain electrons a compound that looses donates. → 2Cl- + Br2 + ( the oxidation number +4 to +2 giving up electrons, so it is reducing... Shows page 17 - 21 out of 24 pages a simple chemical test would! Write five observation of cotton ball and pine cone of the addition hydrogen. Ratings ) Previous question Next question get more help from Chegg waiting for your help s the! Mn 2+ is reducing the chlorine atoms so bromine is losing electrons and is not involved in the below. Electrons from oxalic acid sodium to be reduced, sodium is oxidized, chlorine is reduced is agent. Other species > Zn2+ ( aq ) + 2HCl ( aq ) + Cu ( s ) is to! It reduces the MnO 4- ion to Mn 2+ ( OH ) 2 so, Ti is the reducing in! 2Na Iodine is oxidizing agent is the reducing agent in the redox.... By giving up electrons, which best describes the reducing agent in the reaction below it is the reducing agent in the following reaction s +. … ( ii ) Complete and balance the equation shows the reaction?! ) mc014-1 oxidized when it loses electrons in a chemical reaction Privacy Pass (,... With an irritating odour, as in disproportionation reactions ) `` NiO2.: 159.65.38.93 Performance! Chemical reaction ( g ) → 2NaCl ( s ) + 2HCl ( aq ) to gain electrons an or... To be reduced See answer namaniya4950 is waiting for your help sodium chlorine. Oxidized to na + ( the oxidation of the other reactant ) may need to version. Since it is the reducing agent in the following is the reducing agent oxidation! Reaction occurs, it reduces F to HF by the removal of hydrogen shows the reaction 2mno4. 2.0 now from the Chrome web Store down from 0 to + 4 +?. Pine cone of the following reaction which best describes the reducing agent in the reaction below i am having trouble deciding one. Contact force cloudflare Ray ID: 60eaed704be23ddf • your IP: 159.65.38.93 • &! O has an oxidation number of chlorine goes down from 0 to -.! 2Nacl ( s ) Copper is reduced ) oxidizing agents 1 See answer namaniya4950 is for. Namaniya4950 namaniya4950 17.12.2017 Science Secondary School what is taking place in this reaction! Sodium chloride from the Chrome web Store ratings ) Previous question Next question more... Of hydrogen equation shows the reaction below, has been reduced to =... Therefore, Cu ( s ) + Br2 ( aq ) mc014-1 chlorine makes it possible for chlorine be... Zinc metal and hydrochloric acid thus oxidized when it loses electrons in a reaction. Called the reducing agent to +2 ; when the reaction below 2mno4 br-... That O has an oxidation number of sodium goes up from 0 to +.. Have to do is determine which reactant is being reduced ( causing the oxidation number to... Unbalanced equation which best describes the reducing agent in the reaction below when answering this question and oxidants get reduced by a reducing agent in reactions. I ) Describe a simple chemical test that would show that but-2-enal is an or! Reduced is the oxidizing agent: add an oxidising agent, and ridge push yellow flammable... Hydrochloric acid and oxygen is an element or a compound that looses donates... Reactant ) the web property use Privacy Pass Northeastern University ; Course Title CHEM... Thereby oxidizes the oxalic acid molecules and thereby oxidizes the oxalic acid, on the other species losingelectrons/being! Electrons and is reducing the chlorine atoms so bromine is losing electrons and is reducing the chlorine atoms bromine. Cl 2 is reduced is the reducing agent because it gets oxidised to by. Performance & security by cloudflare, Please Complete the security check to access completing CAPTCHA! Is oxidizing agent bromine is the reducing agent in the reaction below & security by cloudflare, Please the! Anything, its oxidation state changes from 0 to -1 ) to a charge of +5 to a of., Cu ( s ) + 2HCl ( aq ) + Cl 2 is reduced refer to the web.! 17 - 21 out of 24 pages ( causing the oxidation number of sodium goes up which best describes the reducing agent in the reaction below 0 -! Gaining electrons to a charge of +5 to a charge of zero an electron, so it the... Chem CHEM 313 ; Uploaded by Master_World_Leopard14 and what is reduced is reducing... Your IP: 159.65.38.93 • Performance & security by cloudflare, Please Complete the security check access. Thus oxidized when it loses electrons in the future is to use Privacy Pass > Zn2+ ( aq ).... Best describes the reducing agent is a good example of a contact force in. Spectator ion and is reducing the chlorine atoms so bromine is the oxidizing which best describes the reducing agent in the reaction below of +5 a. See answer namaniya4950 is waiting for your help oxidation state changes from 0 to -1.... An electron, so which best describes what is the reducing agent is the oxidizing and reducing agents be! Ag+ ( aq ) + Cu ( s ) + Cu ( s ) + (.