Oxidation and Reduction Reactions

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Questions

• How to balance equations for reduction/oxidation reaction?
• If an electode reaction has dssolved oxygen as a reactant, is the electrode an anode or a cathode?
• If an electrode reaction has dissolved oxygen as a reactant, is the electrode and anode or a cathode?
• What balanced equation represents a redox reaction?
• How are redox reactions involved in electrolysis?
• Why are oxidation reduction reactions coupled?
• What do oxidation reduction reactions involve?
• What are reduction reactions used for?
• What does "calx" mean in oxidation reduction reactions?
• What are the reduced components in this reaction? Zn + 2H(+) → Zn(2+) + H2
• How can I recognize oxidation reduction reactions?
• How are redox reactions involved in corrosion?
• How can I determine oxidation reduction reactions?
• How can I do redox reactions step by step?
• How can I balance oxidation reduction reactions in basic solution?
• Why are oxidation reduction reactions important in cells?
• How do oxidation reduction reactions move energy?
• What are some examples of reduction reactions?
• What is a reduction reaction?
• What is an example of an oxidation reaction practice problem?
• What are some examples of oxidation reactions?
• What is an oxidation reaction?
• Question #49da2
• Question #7e9bd
• Question #9d2da
• Question #056c1
• Question #fa3a1
• Question #81b1f
• What is the equation when iron reacts with oxygen to produce iron(III) oxide ?
• Question #98a64
• Question #e11b5
• Question #95d51
• Question #3fd4a
• Identify the substance oxidized, the substance reduced, the oxidizing agent, and the reducing agent? 2HNO3 + 3H3AsO3 -----> 2NO + 3H3AsO4 + H2O
• Question #b0597
• Which of the following species will be able to reduce #Cu^(2+)# to #Cu# ? (A). #I_2# (B). #Ni# (C). #Al^(3+)# (D). #Ag# ?
• Question #57f70
• Question #4a3ac
• Question #bdd2f
• Question #0cfba
• Question #5a2d7
• Question #485d5
• Question #e1b20
• Question #4822a
• Question #88946
• Question #aacd0
• How can you find the weakest oxidising agent from the following? #sf(Ag_2O, "acidified"color(white)(x)MnO_4^(-),Cl_2, "acidified"color(white)(x)Cr_2O_7^(2-))#
• Question #83a9e
• Question #b5579
• Question #0075f
• What is beta-oxidation?
• What is the oxidation number of nitrogen in the nitrate ion?
• Question #e6bb7
• Question #cdd5a
• Aluminum + silver sulfide = ?
• Is #Ag(NO_3)_2# known?
• What is an example of a reduction reaction where hydrogen is not added to the reduced compound?
• In reduction reaction, the reduced atom gains one or more electrons. Why, then, is this reaction called reduction?
• What is the standard reduction potential of a standard hydrogen electrode?
• Can oxidation occur without accompanying reduction?
• Why must oxidation be accompanied by a reduction?
• In an oxidation-reduction reaction, what substance is reduced always?
• Can oxidation happen without reduction in a chemical reaction?
• What is an example of oxidation and reduction?
• How would you define oxidation and reduction in terms of electron transfer?
• Which element is undergoing reduction in the following reaction: Zn(s) + 2 AgNO3(aq) → Zn(NO3)2(aq) + 2 Ag(s)?
• In the reaction #Ti(s)_ + HNO_3(aq) -> Ti^(3+)(aq) + NO(g)#, which element is oxidized and which is reduced?
• What does the name chromium(II) oxide mean in terms of electrons lost and gained?
• When hydrogen burns, what is oxygen's role?
• In reactions between metals, and gases, which is likely to be the oxidizing agent?
• Sugar is added to jam to preserve it. How does it work?
• In the reaction #CH_4 + 2O_2 -> 2H_2O# #+# energy #+ CO_2#, which is reduced and which is oxidized?
• Your reactants are a hydrocarbon and oxygen. Your products are carbon dioxide and water. What type of reaction do you have?
• In the equation, #2Al + 2Fe^(3+) + 3O^(2-) -> 2Fe + 2Al^(3+) + 3O^(2-)#m which element has been reduced?
• Question #04d43
• NaOH + KMnO4: why doesn't it yield NaMnO4+KOH?
• How can we know beforehand that free chlorine will form in MnO2+4HCl -> MnCl2 +Cl2+2H2O?
• What is the oxidizing agent here?
• Question #70c50
• Is there a way to calculate what the products will be for SO2+Br+H2O?
• How to convert a sulfate into a sulfide?
• Why #"Mg"^(2+) +2"e"^(-) -> "MgO"# ?
• Question #6a7f2
• Question #08ad0
• When do you use aluminum powder to reduce iron oxides?
• What is the reducing agent in the reaction #Fe + AgNO_3 -> Fe(NO_3)_3 + Ag#?
• What are oxidation and reduction? How do they differ?
• How do I test for the contamination of water with iodide ions?
• Question #8da28
• Question #961df
• Question #e27c7
• What is the colour change when aqueous iron(II) ions are treated with an acidified solution of dichromate(VI) ?
• What reaction is represented by the equation #Au^(3+) + 3e^(-) -> Au#?
• Question #a4806
• What is a voltaic cell?
• How can a galvanic cell go dead?
• What is a galvanic cell used for?
• What happens in a galvanic cell?
• What drives a galvanic cell?
• How do voltaic cells work?
• What are galvanic cells in terms of oxidation/reduction reactions?
• How does a voltaic cell produce an electric current?
• What is the oxidizing agent of f this chemical process? #Fe + Cu(NO_3)_2 → Fe(NO_3)_2 + Cu#
• What are the five strongest reducing and oxidizing agents?
• How do you identify reducing agents, oxidizing agents, or whether neither of these two apply?
• In the reaction: #2H_2(g) + O_2(g) -> 2H_2O(g)#, what is the oxidizing agent?
• What is the reducing agent in the reaction #2Na + 2H_2O -> 2NaOH + H_2#?
• Question #b38f0
• How are more complex red-ox reactions balanced? The kind of reactions which have 3 or more reactions and multiple products?Also what do we do when more that one species is undergoing oxidation/reduction?
• Which equation is a redox process?
• Question #ae919
• Impure metal should be made the anode and pure metal should be made the cathode. Why would the anode corrode and become thinner?
• What is the difference between #E# and #E^@# in electrochemistry?
• Why should we study electrochemistry?
• Why is electrochemistry useful?
• Why is electrochemistry important?
• #VO_2^+(aq) + 2H^+(aq) + e^– -> VO_2^+(aq) + H_2O#, Eo = +1.00 V #Cr_2O_72–(aq) + 14H+(aq) + 6e– -> 2Cr_3^+(aq) + 7H_2O#, Eo = +1.33 V How do you write the balanced equation for the spontaneous process and determine its standard cell potential?
• The following cell is set up: Zn(s)|Zn2+(aq)||Cu2+(aq)|Cu(s) Write down the equation for the reaction which takes place in each half cell. From which electrode do electrons flow away from and into the external circuit? Calculate the e.m.f of this cell.
• What would occur in the electrolytic reduction of #Cu^(2+)#?
• If a small zinc rod is put into a solution of tin(II) chloride, #"SnCl"_2#, tin will precipitate on the zinc rod and zinc will go into solution as #"Zn"^(2+)# ions. (There's more) What is your conclusion?
• What sort of reaction is the following....?
• Why are oxidation and reduction reactions linked?
• How is photosynthesis an example of an oxidation-reduction reaction?
• How do you know if it is an oxidation reduction reaction?
• How can you balance oxidation reduction reactions?
• How do you balance oxidation reduction reactions in acidic solution?
• How do you balance oxidation reduction reactions in basic solution?
• How do you perform oxidation reduction reactions?
• How can you recognize oxidation reduction reactions?
• How do you write oxidation reduction half reactions?
• What are two examples of oxidation reduction reactions?
• What do oxidation reduction reactions do?
• What happens in oxidation reduction reactions?
• What are oxidation reduction reactions in chemistry?
• Why are oxidation-reduction reactions always coupled?
• Question #4295e
• What is the oxidation state of magnesium?
• What is the oxidation state of the diatomic chlorine element?
• What is this oxidation number of #CH_3OH# and #CH_2O#?
• Why does iron only have 2+ and 3+ oxidation states?
• What is the oxidation state of Gold? How is this determined?
• What are the oxidation numbers for #CuSO_4#?
• Question #3d25a
• How do you find an oxidizing agent?
• How does oxidizing bleach work?
• How does oxidizing work?
• How does oxidation work?
• How do you find oxidizing agents?
• How do you rank oxidizing agents?
• What does oxidizing mean in chemistry?
• What does it mean if something is oxidized?
• Why is oxidation bad?
• Why is #KMnO_4# an oxidizing agent?
• How does oxidation differ from reduction?
• How do you calculate the oxidation number of an ion?
• How do you determine an oxidizing agent within a reaction?
• How do you determine the oxidizing agent in a reaction?
• How do you know the oxidizing agent of a reaction?
• How do you determine which oxidizing agent is stronger?
• How does oxidation kill bacteria?
• How should oxidizing chemicals be stored?
• How do you determine oxidizing agents in reactions?
• How do you find the oxidizing agent in a reaction?
• What is the potential hazard of oxidation?
• What are some examples of oxidizing agents?
• What does oxidizing mean in science?
• What are oxidizing and reducing agents?
• Why does an oxidizing agent undergoe reduction?
• Why are oxidizing agents acidified?
• Why are oxidizing agents found in fireworks?
• Why are oxidizing agents used in explosives?
• Why is the oxidizing agent reduced?
• Why is oxidizing power of #F_2# higher?
• How do you find oxidation number rules?
• How can you memorize oxidation number rules?
• Question #863c8
• How do you determine the oxidation states of the elements in the compound #H_2SO_4#?
• What are properties of an element that was reduced in a chemical reaction?
• How do you define oxidation and reduction?
• Question #d9281
• Question #8b990
• Which of the following would most likely be oxidizing agents and which would most likely be reducing agents?
• How would you define oxidation and reduction in terms of gain or loss of electrons, gain or loss of hydrogen (in a covalent bond), and gain or loss of oxygen?
• If I had to write down the oxidation states of iron (II) and sulphate ions, should I write them as +2 and -2 or 2+ and 2-?
• Question #0aadc
• Which element is being reduced in this reaction?
• What are oxidation and reduction reactions? Give an example of each.
• Stability of +5 oxidation state decrease from N to Bi. Why?
• Is Hydrogen gas evolved when metals react with steam?
• Question #37437
• Is the reaction between hydrogen sulfide and sodium hydroxide a redox process?
• Iron rusts according to the following reaction: #4Fe (s) + 3O_2 (g) + 4H_2O -> 2Fe_2O_3(H_2O)_2#. If 1.4 liters of oxygen were added to excess water and iron at a pressure of 0.97 atms and a temperature of 55 C, how many grams of iron would rust?
• If you add chromate, an oxidizing agent, to each of the following, would a green #Cr^(+3)# solution be formed?
• What is the most likely oxidation state of aluminum?
• Which of the following reactions are redox reactions? #A. Ba+Mg^(2+)rarrBa^(2+) + Mg.# #B. H^+ +HO^(-)rarrH_2O# #C. CO_2(g) +H_2O(l)rarrHCO_3^(-) + HO^(-)# #D. Cr(s) + 3H^(+)rarrCr^(3+) + 3/2H_2#
• Can a metal in a complex ion undergo a redox reaction?
• How do you identify the oxidizing agent in the following chemical reaction? #2MnO_4^- + 5H_2SO_3 -> 2Mn^(+2) + 5SO_4^(-2) + 4H^+ + 3H_2O#
• In the reaction #2H_2S+SO_2 -> 3S+2H_2O#, what has been oxidized and what is the oxidizing agent?
• Question #0bff3
• Question #289b9
• Which species is oxidized in the reaction below?
• What is the oxidizing agent in #1/8"S"_8("orthorhombic") + "O"_2(g) -> "SO"_2(g)#, the formation reaction for sulfur dioxide gas?
• What occurs when an iron nucleus accepts electrons?
• Why does oxidation occur?
• In terms of the movement of electrons, what are #"oxidizing"# and #"reducing agents"#?
• Nitrogen and oxygen extensive series of oxides with the general formula #N_xO_x#. One of them is a blue solid that comes apart, reversibly, in the gas phase. It contains 36.84% N. What is the empirical formula of this oxide?
• What is the basic formula of an oxidation reduction reaction?
• Question #ccf87
• Question #ae614
• How do you determine which element oxidized in a reaction?
• How do #"MnO"_2# and #"KMnO"_4# behave? Oxidizing or reducing agents?
• If given the following what would the reduction potential be on the new scale in which the reaction of water in base has an #E^o"_(red) = 0.000 V#?
• What is the equilibrium of concentrated nitric acid + sulfuric acid to form nitrobenzene obtained by nitrating benzene?
• What is the reducing agent in the reaction #2Na(s) + Cu(NO_3)_2(aq) -> Cu(s) +2NaNO_3(aq)#?
• Refer to the question below.......please give solid explanation for the answer......?
• Why does iron rust.....?
• What is a process in which a substance acts as both an oxidizing agent and a reducing agent?
• What is the branch of chemistry that deals with all electrically-related applications of oxidation-reduction reactions called?
• What is the oxidation half reaction for #Mg(s) + ZnCl_2(ag) -> MgCl_2(ag) + Zn(s)#?
• How would I get the oxidation numbers and balance this redox reaction? #"H"_2"O"_2 + 2"C""H"_3"-""S""-""H" → 2"H"_2"O" + "CH"_3"-S-S-CH"_3#
• How does the position of an element on the Periodic Table reflect the oxidizing ability of that element?
• Question #e70fa
• How is sulfate ion reduced to sulfide ion?
• Question #95430
• Why were pennies changed from all copper to copper plated zinc?
• Iron rusts when exposed to oxygen. Iron(II) is produced in the reaction. How many moles of oxygen oxide will react with 2.4 mol of iron in the rusting reaction?
• What is the oxidation number of oxygen in peroxides?
• What is the term for the green coating that copper takes on when it slowly reacts with oxygen and carbon dioxide in the air?
• What is the oxidation state of each element in #Mn(NO_3)_2#?
• What is the oxidation state of each element in #SO_4^(2-)#?
• How do you write the equations for half-cell reactions?
• Question #9ecfb
• What are the oxidizing and reducing agent in the reaction below?
• How can I oxidize #sf{Fe(OH)_2}# to #sf{Fe(OH)_3}#?
• Question #aec6a
• Question #37133
• How can I memorize the electrochemical series quickly?
• Gaseous hydrogen burns in the presence of oxygen to form water: #2H_2 + O_2 -> 2H_2O + en ergy#. Which molecule is oxidized and what kind of bond is formed?
• Question #b2056
• Consider the following reaction. What is being oxidized?
• What is the general formula for an oxidation reduction reaction?
• What is the reduction half-reaction for the following overall cell reaction?
• Question #1a632
• What will happen when aluminum is exposed to air?
• An #Fe^(2+)# salt is oxidized by elemental chlorine. What occurs to chlorine in this reaction?
• Question #bdcdc
• How does permanganate ion behave in redox reactions?
• What are the reducing and oxidizing agents in the equation? If there are none, write “no redox reaction" (include oxidation states for each element in the equation)
• Question #e437b
• What redox reaction does potassium metal undergo in water?
• How many moles of dichromate ion are necessary to oxidize #10*mol# of #Pb^(2+)# ion to #Pb^(4+)# ion?
• Question #82f6e
• Question #d09f9
• Question #0d806
• What is rancidity and how is it prevented?
• What chemical is oxidized in the following reaction? Mg + 2HCl → MgCl2 + H2
• What are the oxidation and reduction half-reactions for #Cr+F_2 -> CrF_3#?
• What are the main products (if any) of the reaction of #"Fe"^(3+)(aq)# with #"SO"_2(g)# in water in acidic conditions?
• In the following reaction is C reduced? #2C + O_2 -> 2CO#
• Are #"stannic ions"# #Sn^(4+)# or #"plumbic ions"# #Pb^(4+)# oxidizing or reducing agents? What about #"stannous ions"# #Sn^(2+)# or #"plumbous ions"# #Pb^(2+)#?
• Question #dfa6b
• Given the equation: #2Al + 3Cu_2 ->2Al^(3+) + 3Cu#. What is the reduction half-reaction?
• Given the reaction below, which is the reduced substance?
• Consider the following reaction: #CO_2(g) + H_2(g) -> CO(g) + H_2O(l)# What is being oxidized?
• What type of weathering process is happening to materials when they rust?
• Question #1e8ff
• Which element is oxidized in this reaction? 2CuO+C→2Cu+CO2 Which element is reduced in this reaction? 16H++2Cr2O72−+C2H5OH→4Cr3++11H2O+2CO2
• What is the reduction half-reaction for #2Mg + O_2 -> 2MgO#?
• How to determine which one undergoes oxidation and which one undergoes reduction? For this equation.
• Question #3a748
• Question #2179b
• Question #26490
• Identify the oxidizing agent: #2"S"_2"O"_3 ^(2-) + "I"_2 -> "S"_4"O"_6^(2-) + 2"I"^(-)#?
• Give an example of a reduction reaction...?
• Can you provide an example in which copper(II) oxide acts as an oxidizing agent?
• Question #66324
• Why do metals typically form positively-charged ions?
• What are the oxidation and reduction equations for when zinc is acting as a sacrificial anode for iron?
• What are the oxidation and reduction equations for when zinc is placed in HCl?
• The oxidation and reduction equations for when zinc is placed in water?
• What are the oxidation and reduction equations for the following equations: Zn(s) + 2H2O(l) → Zn(OH)2(s) + H2(g) ?
• How do you determine the oxidation state of #C# in #CO_3 ^(2-)#?
• Question #1a680
• How many equiv of nitric acid are required to oxidize one equiv of ammonia to give an half an equiv of dinitrogen gas?
• Question #78d92
• What is the effect in matter in Oxidation?
• Can someone help me please? This is the last two questions I need help with for tonight. Thank you and have a great night!
• How do we represent the oxidation of #"bismuth metal"# by the action of #"nitric acid"# to give #"bismuth nitrate"#, and #NO(g)#?
• What is meant by #"oxidation"#?
• What are some carbon oxidation reactions?
• How do we represent the redox reaction between dichromate ion and ferrous ion stoichiometrically?
• How many moles of electrons are required to deposit #5.6g# of Iron from a solution of Iron(II) tetraoxosulphate(VI) ? [Fe = 56, S = 32, O = 16]
• What is the electrode potential for #Pb^(2+)(aq) + 2e^(-) rightleftharpoons Pb(s)# when the concentration of #Pb^(2+) (aq)# is #0.05# #mol# #dm^(-3)# ?
• Which statement is true in the following reaction?