(a) What is meant by the term reduction? (b) On whichside of a reduction half-reaction do the electrons appear?(c) What is meant by the term reductant? (d) What is meantby the term reducing agent?

Q: Complete and balance the following redox reaction in basic solution Zn(OH),2- (aq) + As (s) → Zn(s)…

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Q: write a balanced net ionic equation for the reaction of nitrogen oxide and hydrogen gas forming…

A: The balanced equation has an equal number of atoms on the reactant and the product side of the…

Q: Elemental calcium is produced by the electrolysis of moltenCaCl2. (a) What mass of calcium can be…

A: a.

Q: Write a balanced half-reaction for the reduction of nitrate ion NO3- to gaseous nitrogen dioxide NO2…

A: In balanced reaction we have same number of atom in reactant and product side.

Q: What feature of an oxidation-reduction reaction allowsit to be used to generate an electric current?

A: What feature of an oxidation-reduction reaction allowsit to be used to generate an electric current?

Q: (a) Consider the following equation NO:(g) + H:0(1) – HNO:(aq) + NO(g) (i) Write two balanced…

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Q: Why is it necessary to carry out the reduction of iron and then the titration in redox analysis of…

A: Redox = Reduction + Oxidation A reaction in which reduction, as well as oxidation, takes place…

Q: A sample of bleach has a content of about 2.13% (w/v) in “active chlorine”. For perform its analysis…

A: Given that, Molecular weight of NaClO = 74.45 g/mol Molecular weight of Cl2 = 70.90 g/mol

Q: Which group of dissimilative iron-oxidizers is theleast diverse and in what way is this related to…

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Q: A current of 4.90 A is passed through a Cu(NO,), solution. How long, in hours, would this current…

A: The chemical deposition due to the flow of current through an electrolyte is directly proportional…

Q: The products produced in the anode and cathode respectively when aqueous AuCl, is electrolyzed are

A: Given that : We have to identify the products produced in the anode and cathode respectively when…

Q: (a) What is electrolysis? (b) Are electrolysis reactions thermodynamicallyspontaneous? (c) What…

A: (a) Electrolysis means 'electric-splitting' and involves the separation of substances through an…

Q: (a) Based on standard reduction potentials, would youexpect copper metal to oxidize under standard…

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Q: What is the redox reaction of hypochlorite if titrated with sodium thiosulfate?

A: Redox reaction: It is a kind of reaction in which one species is oxidized and while the other is…

Q: What is the minimum voltage required to drive the reaction?

A: Standard reduction potential can be calculated as follows:

Q: Choose the species that is/are stable in a reducing environment at pH=10.

A: Given is the Pourbaix diagram for As species. The regions in such diagrams represents the species…

Q: What Are Reduction Potentials, and How AreThey Used to Account for Free Energy Changesin Redox…

A: Free energy change in thermodynamics refers to the thermodynamic potential that can be used to…

Q: ‘ Corrosion is an electrochemical phenomenan’, explain.

A: Corrosion is the phenomenon of substance degradation by chemical processes. Electrochemical…

Q: In hydrometallurgical zinc production, refining processes are carried out in solution before…

A: Hydrometallurgy is carried out in solution. It is a process in which aqueous solutions are used to…

Q: A current of 4.88 A is passed through a Cu(NO,), solution. How long, in hours, would this current…

A: Given that  Current = 4.88 A = 4.88C/s  Mass of Copper diposited = 5.10g  Cu2+ + 2e- = Cu  1mol of…

Q: Use the Nernst equation to show that Ece = Eel under standard conditions.

A: The Nernst's equation tells about the relation of concentration of species and cell…

Q: In aqueous solution, hydrogen sulfide reduces (a) Fe3 + toFe2+ , (b) Br2 to Br - , (c) MnO4- to Mn2…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Complete and balance the following half-reaction in acidic solution As(s) → H:AsO. (aq) 2 3 4 5 6 7…

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Q: Example:- Calculate the normality of a solution of 0.25 gm/L H2C¿O4, both as an acid and as a…

A: Normality of the solution is given by the number of gram equivalents per litre of the solution.

Q: A current of 4.26 A is passed through a Fe(NO,), solution. How long, in hours, would this current…

A: In Fe(NO3)2 the oxidation state of Fe is +3,and it gets reduced to Fe,i.e Fe gets deposited which…

Q: Balance the following redox reaction under acidic conditions.

A: H2​S+NO3−​⟶NO2​+S8​(acidic) Balance all atoms other than H and O. 8H2​S+NO3−​⟶NO2​+S8​(acidic) The…

Q: Why must the charge balance in oxidation-reduction reactions?

A: The gain of the electron is named as oxidation whereas loss of electron named as reduction. In terms…

Q: Commercial aluminum production is done by the electrol-ysis of a bath containing Al₂O₃ dissolved in…

A: The commercial production of aluminum is achieved by electrolysis of bath that contains Al₂O₃…

Q: (a) What is an electrolytic cell? (b) The negative terminal ofa voltage source is connected to an…

A: (a) Electrolytic cell: An electrochemical cell that uses electrical energy to derive the…

Q: How many moles of Al3+ would be electrolyzed to Al(s) with the same amount of electricity that…

A: According to Faraday law of electrolysis - The amount of substance deposited at electrode is…

Q: Michael Faraday reported that passing electricity through one solution liberated 1 mass of hydrogen…

A: Given: 1 mass of hydrogen at the cathode 8 masses of oxygen at the anode 36 masses of chlorine at…

Q: Write the reactions taking place in SHE when it act as anode and cathode? Represent it.

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Q: (a) which of the followingis the strongest oxidizing agent, and which is the weakestin acidic…

A: a) The strongest oxidizing agent in acidic solution would be: H2O2  The weakest oxidizing agent in…

Q: A current of 3.58 A is passed through a Ni(NO,), solution. How long, in hours, would this current…

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Q: In the electrolytic refining of a metal M, what would you take as the anode, thecathode and the…

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Q: ii) A hydride which on electrolysis in the molten state gives hydrogen at the anode do which in

A: HYDRIDES: In chemistry, the hydrogen atom with a negative charge is known as a hydride. The hydride…

Q: Complete and balance the following half-reaction in acidic solution As(s) → H:AsO. (aq) 1 2 3 4 5 6…

A: Note: Since we solve one question at a time, we’ll answer the first question as the exact one wasn’t…

Q: Complete and balance the following half-reaction in acidic solution

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Q: Write the balanced reduction half- reaction: 5. 02(g) is reduced to hydrogen peroxide acidic…

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Q: In basic solution, H2O2 oxidizes Cr³+ to CrO4²- and is reduced to OH. Write the balanced net ionic…

A: Balanced Net Ionic Equation: 2 Cr+3 + 3 H2O2 + 10 OH-1 ----------->  2 CrO4-2  +  8 H2O   From…

Q: Why do steel bridge-supports rust at the waterline but notabove or below it?

A: Rust is formed by combination of iron, oxygen and water i.e when iron and oxygen react in presence…

Q: The first element to be prepared by electrolysis was potassium. In 1807, Humphry Davy, then 29 years…

A: Electrolysis of molten potassium hydroxide results in formation of liquid potassium, water and…

Q: Complete and balance this equation by the method of half-reaction.

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Q: Complete and balance the following redox reaction in basic solution 10s (aq) → Iz(s)

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Q: How many grams of Ca metal are produced by the electrolysis of molten CaBr2 using a current of 30.0…

A: Given: Current, I = 30.0 A Time, t = 10.0 hrs = 10×60×60 s = 36,000 sCharge supplied, Q = I.t Q =…

Q: An acidic solution containing copper ions is electrolyzed, producing gaseous oxygen (from water) at…

A: Given  =  Mass of oxygen = 16.0g  Mass of copper = 63.5 g  Number of moles = Mass of the substance /…

Q: Give balanced equations for the overall reaction in the electrolysis of molten lithium chloride and…

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Q: 9.5 During the redox balancing process, what step is taken to ensure that c loss is equal to e gain?

A: 9.5 In the redox balancing process, we have to equate the total number of electron on both sides.So…