Redox Reactions

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Questions

• Question #8340d
• What is a redox reaction?
• What is oxidation?
• What is reduction?
• Question #014c4
• Question #b58e9
• Question #56add
• Question #0853f
• Question #be12b
• Question #f7e3f
• What is the lead discharge battery?
• 2.0 g of molybdenum (Mo) combines with oxygen to form 3.0 g of a molybdenum oxide. What is the equivalent weight of Mo in this compound?
• Question #e9551
• Consider the following reaction: #CaCO_3+SO_2 to CaSO_3+CO_2#. Here #SO_2# is oxidized to #CaSO_3#, so is #SO_2# a reducing agent or oxidizing agent? Kindly give your reason.
• What type of chemical reaction is #C_3H_8 + O_2 -> CO_2+H_2O#?
• What is a reducing agent?
• What are Reducing Agents? And why are they used in chemical reactions?
• Would this be a good reducing agent? Given the following standard reduction potential: Cu2+(aq) + e- → Cu+(aq) Eo = 0.15V Fe3+(aq) + e- → Fe2+(aq) Eo = 0.77V
• Identify the reducing agent in the following reaction? #2NO_(2(g)) + 7H_(2(g)) -> 2 NH_(3(g)) + 4 H_2O_((g))#
• How do you determine the oxidizing or reducing agent in a redox equation?
• How do you determine the oxidizing or reducing agent in a redox equation?
• Does a reducing agent in a redox reaction gets reduced or oxidized?
• What are the five strong oxidizing agents?
• Question #221c2
• Are OXIDANTS and OXIDIZING AGENTS the same thing?
• Question #4badc
• In the redox reaction #AgNO_3 + Na -> NaNO_3 + Ag#, which element has been reduced?
• Are reduction reactions always endothermic?
• Are oxidation reactions always exothermic?
• Question #d98df
• In the combustion of hydrocarbon, carbon monoxide is formed. What has occurred?
• Question #def93
• Question #01b75
• What happens to a redox reaction when it is shown as half-reactions?
• In the chemical reaction #4Fe+3O_2 -> 2Fe_2O_3#, which elements are oxidized?
• In a redox reaction, what do oxidation and reduction mean?
• What part of a reaction involves oxidation or reduction, but not both?
• How do redox reactions interconvert electrical energy and chemic energy?
• How do you balance redox equations using the oxidation number change method?
• What are the characteristics of a redox reaction, and explain how to identify the oxidizing agent and the reducing agent?
• In a redox reaction, the substance that accepts electrons is said to be what?
• If an atom is not oxidized or reduced during a redox reaction what does not change?
• Question #044ba
• How do you write the balanced half equation for the oxidation of methanal (formaldehyde), #CH_2O# to #CO_2#?
• Redox refers to a substance gaining an electron and releasing what?
• What is redox?
• Question #69245
• Question #91da1
• How goes the redox reaction of burning methane?
• Can you represent the oxidation of sulfite ion, #SO_3^(2-)#, to give sulfate ion, #SO_4^(2-)#, accompanied by the reduction of #Cu^(2+)# to copper metal?
• Question #9ba07
• Identify the oxidizing agent and the reducing agent in the reaction below?
• How does charge conservation apply in redox reactions?
• What are redox reactions?
• Mg + Cl2 redox reaction explain?
• Question #025e7
• Redox problem?
• In the reaction #Mg(s) + 2HCl(aq) -> MgCl_2(aq) + H_2(g)#, what role does magnesium play?
• Is the dissolution of a solid metal in an acidic solution an example of a #"redox reaction?"#
• If the redox reaction in an electrochemical cell occurs naturally and produces electrical energy, what type of cell is it?
• What does the oxidizing agent do in a redox reaction?
• Is the reaction between natrium hydroxide and and hydrogen chloride a redox process?
• Question #acb97
• What volume of methanol (ρ=0.8g/cm^3) needs to be oxidized to produce 500mL 40% formaldehyde (ρ=1.11g/cm^3)?
• Question #43843
• Do reduction and oxidation occur simultaneously in a redox reaction?
• Do reduction and oxidation occur together?
• Why is the oxidation of #Mn^(2+)# in ACIDIC media represented differently to the oxidation of #Mn^(2+)# in an ALKALINE medium? What do we mean by #H^+# or #H_3O^+#?
• Question #1044b
• Iron is extracted from iron ore. Part of the process involves reduction of the ore with carbon monoxide. Iron ore contains iron oxide (#Fe_2O_3#). How would you write a balanced equation for the reaction of iron oxide with carbon monoxide?
• Question #a4695
• Write following electron transfer half equations: 1) Barium reacts with dilute nitric acid 2) Lithium reacts with dilute sulfuric acid?
• Question #c79b3
• How can #"MnO"_4^(2-)(aq)# disproportionate to form #"MnO"_4^(-)(aq)# and #"MnO"_2(s)#?
• In the redox reaction, which is the reducing agent? #MnO2(s) + 4H(aq) + 2Cl^(-)(aq) -> Mn^(2+)(aq) + 2H_2O + Cl_2(g)#?
• How do you solve and represent #"disproportionation reactions"#? Is there an easy way to do this?
• What is the overall voltage for a redox reaction with the half reactions #Ag^+ + e^(-) -> Ag(s)# and #Cu(s) -> Cu^(2+) + 2e^-#?
• Permanganate ion is reduced to #MnO_2#, and ammonia is oxidized to nitrate ion. Can you write a balanced chemical equation to represent the redox process?
• What is the oxidation number of oxygen in #OF_2(g)#?
• What is the basic formula of a redox reaction?
• How do acids corrode copper?
• Which substance is oxidized ad which is reduced in the following redox reactions?
• How does methane react with oxygen gas?
• Question #954ac
• How do we represent the reaction of hydrochloric acid with stoichiometric calcium carbonate? Do we need to consider oxidation states?
• How is the oxidation of aluminum metal by acid, hydrogen ion, represented?
• What happens to an oxidizing agent during a redox reactions?
• When the redox equation #Cr^(3+)(aq) + 3Mn(s) -> Mn^(2+)(aq) + Cr(s)# is completely balanced, what will the coefficient of #Cr^(3+)(aq)# be?
• How does yougurt turn sour when you put a metal spoon in it for too long?
• Question #a773a
• Question #8ab70
• Why must the number of electrons lost equal the number of electrons gained in every redox reaction? Use 4 – 5 sentences to address this question.
• Aluminum, #"Al"#, produces #"H"_2# bubbles when immersed in #"HCl"#, mercury, #"Hg"# does not. Which is the strongest reducer?
• Which of the following is a redox reaction?
• When sodium chlorate (I), NaClO is heated, sodium chlorate (V) and sodium chloride are formed. What is the ionic equation for this reaction? What type of reaction is this?
• In terms of electron gain and loss, and half equations why is Cl2+2NaI -> 2NaCl+I2 a redox reaction? (6 mark question)
• Write the complete stoichiometric equation for the reaction?
• Complete the half equation?: #MnO_4^-" + X -> Mn^2+Y# What are X and Y?
• What is Redox reaction?
• Balance the following redox reaction in acidic solution?