(a) What is electrolysis? (b) Are electrolysis reactions thermodynamicallyspontaneous? (c) What process occurs at the anode in the electrolysis of molten NaCl? (d) Why issodium metal not obtained when an aqueous solution ofNaCl undergoes electrolysis?

Q: Why sodium metal is not obtained at cathode when aq NaCl is electrolysedwith Pt electrodes but…

A: At anode,…

Q: What volumes of H2 (g) and O2 (g) at STP are produced from the electrolysis of water by a current of…

A:

Q: Calculate the mass of Li formed by electrolysis of molten LiCl by a current of 7.5 * 104 A flowing…

A: the problem is related to Faraday`s 1st Law of Electrolysis, states that " mass of the substance…

Q: During a period of discharge of a lead–acid battery, 402 gof Pb from the anode is converted into…

A: Overall cell reaction is Pb(s) + PbO2(s) + 2H+ (aq) + 2HSO4- → 2 PbSO4 + 2H2O Where, 1 mol of Pb is…

Q: (a) Calculate the mass of Li formed by electrolysis of moltenLiCl by a current of 7.5 x 104 A…

A: (a) Given that a current of 7.5×104 A was flowed for a period of 24 h.

Q: How many grams of chromium metal can be deposited using an electrolytic cell with an electrolyte…

A: Given : Current = 8.30 A  Time = 6 min = 6 X 60 s = 360 s  And the salt given is CrCl3.

Q: Molten RbCl can be electrolyzed to form metallic Rb. For what duration should an electrolysis be…

A:

Q: How many hours does it take to form 15.0 L of O, measured at 750 torr and 30°C from water by passing…

A:

Q: The electrolysis of TℓBr3 at high temperature produces thallium metal. If a constant electrical…

A: From Faradays first law, weight of the substance deposited, W = ZQ Z = E/F = equivalent…

Q: Write complete balanced half-reactions for (a) reduction ofnitrate ion to NO in acidic solution, (b)…

A:

Q: under what conditions KMnO4 acts as strongest oxidising agent?

A: The reaction of KMnO4 in acidic, basic and neutral solutions are written as,

Q: Aluminum is produced commercially by the electrolysis of Al, O3 in the presence of a molten salt. If…

A:

Q: in the metallurgy of sodium by electrolysis, why excess of CaCl2 is mixed with NaCl ?

A: Metallurgy of sodium:Formation of metallic fog occurs at molten temperature where melting point of…

Q: How long will it take to deposit 75 g of Fe(s) by electrolysis of molten iron (III) chloride using…

A: Here we have to determine the time required to deposit 75 g of iron in the elctrosysis of FeCl3 by…

Q: (a) Calculate the half-cell potential for the reaction O2(g) + 4 H3O* (aq) + 4 e¯ → 6 H;0(€) at pH 7…

A: Standard electrode potential is the “potential that is measured by taking SHE on the other side”.…

Q: How many seconds does it takes to produce 5.0 L of aluminum sulfide, Al2S3 measured at 0.95 atm and…

A: Using ideal gas equation, we have P×V = n×R×T     -----(1) Where, P is pressure             , V is…

Q: How many minutes will it take to electroplate 42.1 g of gold by running 5.00 A of current through a…

A: In an electrolytic cell for the electrolysis of a metal conversion of electrical energy in to…

Q: Magnesium is obtained by electrolysis of molten MgCl2. Several cells are connected in parallel by…

A: In aqueous solution, H+, H2O, Mg2+, and Cl- ions are available and on electrolysis, hydrogen gas…

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: Elemental calcium is produced by the electrolysis of molten CaCl2. (a) What mass of calcium can be…

A: Given: Current applied  = 7.5 x 103 A Time of supply   = 48 h Efficiency of cell = 68%

Q: Aluminum is produced commercially by the electrolysis of Al2O3 in the presence of a molten salt. If…

A:

Q: Magnesium is obtained by electrolysis of molten MgCl2.(a) Why is an aqueous solution of MgCl2 not…

A: In aqueous solution, H+, H2O, Mg2+, and Cl- ions are available and on electrolysis, hydrogen gas…

Q: Write a balanced equation to represent the electrolysis of molten sodium chloride. What volume of…

A: A balanced equation to represent the electrolysis of molten sodium chloride has to be given.

Q: How long will it take to plate 2.5 g of copper onto a light fixture using a solution of Cu(NO3)2 and…

A:

Q: (4) When a metal of molar mass 207 g mol" is deposited by electrolysis, a current of 0.06 A flowing…

A: Convert the unit of time: 1 min=60 s66 min=66 min×60 s1 min=3960 s

Q: Write complete balanced half-reactions for (a) oxidation ofnitrous acid to nitrate ion in acidic…

A:

Q: How many grams of gold can be produced when a solution of Au(OH)3 undergoes electrolysis at a…

A: Faraday's first law :-  The mass of a substance deposited at the electrode is directly proportional…

Q: Explain why different products are obtained in the electrolysis of molten ZnCl2 and in the…

A: Ionic compounds need to be molten or in the solution for electrolysis to work. This is because the…

Q: seconds

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Q: A major source of sodium metal is the electrolysis of molten sodium chloride. What magnitude of…

A: The  current is required to produce 1.0 kg of sodium metal in one hour is calculated as,

Q: A major source of sodium metal is the electrolysis of moltensodium chloride. What magnitude of…

A: All metals are arranged in the metal activity series according to their reactivity. The more…

Q: Complete the following Latimer diagram Can iodine be obtained by reaction between iodide and iodate…

A: According to Hess's law, the state functional parameters will have same total value for all the…

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: How many grams of metal Ca (40.08g/mol) are produced by electrolysis of CaBr2 using a current of 28…

A: Kindly get the answer given below.

Q: Predict the products of the electrolysis of an aqueous solution of sodium chloride in cell using…

A: Electrolysis is a spontaneous redox process Here we are required to find the product when aqueous…

Q: How many grams of chlorine can be produced by the electrolysis of mattersNaCl with a current of 1.02…

A: Given, Current 'i' = 1.02 A time 't' = 15 min

Q: Molten RbCl can be electrolyzed to form metallic Rb. For what duration should an electrolysis be…

A: Faradays first law of electrolysis :- The amount of the substance deposited at the electrodes is…

Q: An electrolytic cell produces aluminum from Al2O3 at the rate of ten kilograms a day. Assuming a…

A: The formation of Al from Al2O3 is as follows: 2Al2O3(s)→4Al(s)+3O2(g) Calculation of no. of mol of…

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: Calcium metal is obtained by direct electrolysis of molten CaCl2. If a metallurgical electrolysis…

A: Electrolysis equation is: Ca2+ + 2e- ------> Ca 1 mol of Ca requires 2 mol of electron 1 mol of…

Q: Chromium is electroplated industrially by the electrolysis of solutions of K2Cr2O7. How much time…

A: A numerical problem based on electrolysis that is to be accomplished.

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: Molten RbCl can be electrolyzed to form metallic Rb. For what duration should an electrolysis be…

A:

Q: If a solution of CuCl2 is electrolyzed, what reaction will occur at the anode when the minimum…

A: In the electrolysis process, the cations move towards the cathode and the anions move towards the…

Q: How long will it take to deposit 0.0047 mol of gold by electrolysis of KAuCl4 using a constant…

A:

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: Molten SCCI3 can be electrolyzed to form metallic Sc. For what duration should an electrolysis be…

A: We have to calculate the time needed for deposit of the metal.

Q: A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is…

A: Given data are as follows: Cell potential =- 0.201 V Temperature = 298 K Pressure = 1 atm.

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.