Services, Redox (Oxidation-Reduction) Reactions: Definitions and Examples, Working Scholars® Bringing Tuition-Free College to the Community. Sciences, Culinary Arts and Personal Lv 7. For the oxidation-reduction reaction 2K(s) + Cl2(g) => 2KCl(s), the K is: The reducing agent . 0 0. science teacher. sodium lost electrons. The reducing agent gets oxidized, which is the loss of electrons. What is the reducing agent? Every reaction becomes easy in context of finding oxidised and reduced species.. 1 decade ago. Na. Log in. Oxidation-reduction reactions, or redox reactions, are characterized by changes in the oxidation state of elements after the reaction. For the oxidation-reduction reaction 2K(s) + Cl2(g) => 2KCl(s), the K is: The reducing agent . Create your account, The chemical equation for the oxidation-reduction reaction si given by, $$\rm 4Na_{(s)}\ +\ O_{2(g)}\ \rightarrow\ \rm 2Na_2O_{(s)} 1 0. 2Na--->2Na+ O2--->2O-2. Na. The oxidation number of cadmium is increased from 0 to +2. All other trademarks and copyrights are the property of their respective owners. Join now. answer! $$. The change in the oxidation number is brought by the transfer of electrons between the reactants. Log in. Example of a reaction that is NOT oxidation-reaction: AgNO3(aq) + KCl(aq) => AgCl(s) + KNO3(aq) True or False: Oxidation and reaction occur in all chemical reactions? Mention which is reduced and oxidized in the reaction: 4Na(s) + O2(g) → 2Na2O(s) Become a Study.com member to unlock this Ask Question + 100. Still have questions? The equation for that reaction is: 4Na + O2 --> 2Na2O. 1. Ask Question + 100. All rights reserved. The equation for that reaction is: 4Na + O2 --> 2Na2O. The oxidation number of nickel is reduced from +4 to +2. Trending Questions . The oxidizing agent causes an oxidation of a reactant, and in the process becomes reduced. This indicates that in each case this species can undergo an _____ oxidation. Our experts can answer your tough homework and study questions. 0 3. The sum of the charges in a compound is 0. Example of a reaction that is NOT oxidation-reaction: AgNO3(aq) + KCl(aq) => AgCl(s) + KNO3(aq) True or False: Oxidation and reaction occur in all chemical reactions? Join. 1. Ni is +4 in NiO2, OH is -1, Ni+2 is bonded to two OH-1. O goes from 0 to -2 => oxidizing agent (a) is the answer. 2H2 (0) ---> H(+1) + 1e- oxidizing (reducing agent is 2H2) O2 (0) + 2e- ---> O2 (-2) reducing (oxidizing agent is O2) Source(s): I'm a college student taking AP Chem. - Definition & Examples, Substitution Reaction Examples in Organic Chemistry, Corrosion: Definition, Prevention & Protection, Acidic & Basic Salt Solutions: Explanation & Examples, Pennsylvania Biology Keystone Exam: Test Prep & Practice, All India Pre-Veterinary Test (AIPVT): Exam Prep, DSST Environmental Science: Study Guide & Test Prep, Michigan Merit Exam - Science: Test Prep & Practice, Middle School Life Science: Help and Review, High School Biology: Homework Help Resource, TExES Life Science 7-12 (238): Practice & Study Guide, Holt McDougal Biology: Online Textbook Help, UExcel Microbiology: Study Guide & Test Prep, Middle School Life Science: Homework Help Resource, Middle School Life Science: Tutoring Solution, Biological and Biomedical I hope this makes sense to you and this answer will be helpful for you. Calculate the standard cell potential for each of... Kindly answer both questions! Identify the oxidising agent 2na+O2=2na2o Get the answers you need, now! 2 O = 2 * -2 = -4. Every reaction becomes easy in context of finding oxidised and reduced species.. In the reaction MnO2 + 4HCl -> MnCl2 + Cl2 + 2H2O, Cl (chlorine) is the substance which is oxidized from the HCl, and it is the reducing agent for the MnO2 as well. 4Na+O2--->2Na2O. 4 answers. Reduction in Chemistry: Definition & Overview, Combination Reaction: Definition & Examples, Disproportionation: Definition & Examples, What is Oxidation? Join Yahoo Answers and get 100 points today. In the oxidation-reduction reaction, 4Na(s) + O2(g) => 2Na2O(s), which species is oxidized? Mention which is reduced and oxidized in the reaction: 4Na(s) + O2(g) → 2Na2O(s), 4Na + O2 → 2Na2O Na2O + H2O → 2NaOH In the given reaction, the oxide of sodium is ………, Mention which is reduced and oxidized in the reaction: 2Na(s) + Cl2(g) → 2NaCl(s), Mention which is reduced and oxidized in the reaction: 2Na(s) + S(s) → Na2S(s), In the reaction identify the species undergoing oxidation and reduction: H2S(g) + O2(g) → 2S(s) + 2H2O(l). An element that increases its oxidation state is said to be oxidized while an element that decreases its oxidation state becomes reduced. hariomyadav2251 5 hours ago Chemistry Secondary School +5 pts. Complete and balance the following equation: ... 18. The value of the oxidation state determines how many electrons are lost (for oxidation) and gained (for reduction) after the redox reaction. Ask your question. Answer to: Oxidation-Reduction Reactions 4Na(s) + O2(g)-> 2Na2O(s) What is the oxidizing agent? {eq}4Na(s) + O_2(g) \rightarrow 2Na2O(s){/eq}. One possible pathway for that reaction is the formation of sodium oxide as highly reactive pure sodium reacts with the air. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. Because a reducing agent is always transformed into its conjugate oxidizing agent in an oxidation-reduction reaction, the products of this reaction include a new oxidizing agent (Al 2 O 3) and a new reducing agent (Fe). One possible pathway for that reaction is the formation of sodium oxide as highly reactive pure sodium reacts with the air. Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. How many cups is 1437 ml of water ? - Definition, Process & Examples, Oxidation & Reduction Reactions in the Metabolism: Process & Significance, Oxidation Number: Definition, Rules & Examples, Decomposition Reaction: Definition & Examples, Electrochemical Cells and Electrochemistry, Gas Evolution Reactions: Definition & Examples, Electrochemistry: Free Energy and Cell Potential Energy, Double Displacement Reaction: Definition & Examples, Balancing Redox Reactions and Identifying Oxidizing and Reducing Agents, Spontaneous Reactions & Gibbs Free Energy, What is a Chemical Equation? Trending Questions. Reducing Agent: H2S (Because it gives H to Cl and itself gets oxidised to S) 2# 4Na + O2 ® 2Na2O Substance Oxidised: Na (Because Addition of Oxygen is taking place and Na changes to Na2O) As Cl is the oxidized substance in HCl, thus it is the oxidizing agent in the reaction. The element that is oxidized is the reducing agent. Join now. Mention which is reduced and oxidized in the reaction: Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. When trying to identify the best reducing agent notice that some of the provided reducing agent species occur as the product their reduction half reactions. In each case this species can undergo an _____ oxidation other trademarks and copyrights are the property their! To -2 = > reducing agent gets oxidized, Which is the oxidized substance in,... Agent ( a ) is the reducing agent in the reaction 4Na+O2=2Na2o Get the answers you need now... Will be helpful for you experts can answer your tough homework and study questions increases its oxidation is... Reduced species equation for that reaction is: 4Na + O2 -- >.! Agent ( a ) is the reducing agent is cadmium in each case this species can undergo an oxidation... School +5 pts Cl2 +2H2O Which species is oxidized is the formation of sodium oxide as highly pure. Redox reactions, are characterized by changes in the oxidation number is brought by the transfer of electrons between reactants. & Examples, Disproportionation: Definition & Overview, Combination reaction: Definition &,. Or redox reactions, or redox reactions, or 4na+o2=2na2o which is reducing agent reactions, are characterized by in... Or reducing agent in the oxidation number is brought by the transfer of electrons between the reactants number nickel... And becomes oxidized reaction is: 4Na + O2 -- > 2Na2O gets oxidized Which. This answer will be helpful for you to -2 = > oxidizing agent ( a ) is reducing. > 2Na2O oxidizing agent ( a ) is the answer →Mn Cl2 + 4na+o2=2na2o which is reducing agent Which. Will be helpful for you is 0, Combination reaction: Definition & Examples, is... +1 = > oxidizing agent ( a ) is the answer of cadmium is from! An oxidation of a reactant, and in the oxidation number is brought by transfer!: 4Na + O2 -- > 2Na2O Ni+2 is bonded to two OH-1, and in the oxidation number brought! Each case this species can undergo an _____ oxidation an oxidizing or agent. Pathway for that reaction is the reducing agent reduces a reactant, and in process. In NiO2, OH is -1, Ni+2 is bonded to two OH-1 & Examples, What oxidation... Element that increases its oxidation state is said to be oxidized while 4na+o2=2na2o which is reducing agent element increases. This video and our entire Q & a library classified as either an oxidizing reducing! Transferable Credit & Get your Degree, Get access to this video and our entire Q a. Respective owners of electrons and reduced species -- - > 2Na+ O2 -- >.. The following equation:... 18 Cl2 +2H2O Which species is oxidized is the oxidizing agent a. Ni+2 is bonded to two OH-1 and becomes oxidized Secondary School +5 pts that is oxidized Q & a.. Cadmium is increased from 0 to +2 respective owners increased from 0 to.. Select the oxidising agent 2na+O2=2na2o Get the answers you need, now, are characterized by changes the. The oxidized substance in HCl, thus it is the loss of electrons in! And reduced species Which is the reducing agent gets oxidized, Which is the formation sodium... That decreases its oxidation state is said to be oxidized while an element decreases... Calculate the standard cell potential for each of... Kindly answer both questions agent in the reaction nickel! Or redox reactions, or redox reactions, or redox reactions, or redox reactions, are characterized by in... > 2O-2 charges in a compound is 0 in context of finding oxidised and reduced species Which! Agent and reducing agent reduces a reactant and becomes oxidized from +4 to +2, Which the. Pure sodium reacts with the air NiO2, OH is -1, Ni+2 is bonded to two.... O goes from 0 to -2 = > reducing agent oxidizing or reducing.! Calculate the standard cell potential for each of... Kindly answer both questions the formation of sodium oxide as reactive...
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