Given the metal activity trend below:   Al > Cr > Ni > H2 > Pt     Which of the following is the strongest OXIDIZING AGENT? Select one: a. Cr2+ b. Ni2+ c. Pt+ d. Al3+

Q: Use the potentiometric cell below: SCE || Cu(X)2+ (aq, A = 0.500 M), lig (aq, A = 0.0010 M) | Cu(s)…

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Q: An aqueous solution of nickel acetate is electrolyzed for 3 hours with a 1.3 ampere current. What…

A: We know that  Mass = Z.I.t

Q: Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex cation…

A: We are given a concentration cell with Co(s) electrode in both the half-cells and different…

Q: An aqueous solution of nickel acetate is electrolyzed for 3 hours with a 1.7 ampere current. What…

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Q: Using text, determine the standard reduction potential (at 25°C) for Cu2+ and Cd2+. Cu2*: V Cd2+: V

A: Solution:

Q: Determine the time required to deposit 5.25 g of silver on a surfacefrom a silver nitrate solution…

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Q: Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex cation…

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Q: Use standard reduction potentials to calculate the equilibrium constant for the reaction: Pb2*(aq) +…

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Q: 12. What is AG° for the following electrochemical equation? (ɛ°red(Ag*/Ag) = 0.800 V, ɛ°red(Ba2+/Ba)…

A: EMF of the cell is calculated by below formula,                         EMF of the given cell is…

Q: Calculate the standard reduction potential and the standard free energy change for the reaction:…

A: A numerical problem based on electrochemistry, which is to be accomplished.

Q: Based on the information in the table of standard reduction potentials below, calculate AG° for the…

A: The half-cell reactions for the given reaction is as follows:

Q: Use the table 'Standard Reduction Potentials' located in the "Tables', to predict if a reaction will…

A: The reactants given are Ni metal and Cr3+ solution.

Q: n the electrolysis of a solution containing Ni2+(aq) , metallic Ni(s)  deposits on the cathode.…

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Q: Which of the following is true about passivation? A: The size of the passive zone is independent of…

A: As acidic and temperature increases, the passive zone becomes narrower.

Q: Calculate the cell potential, the equilibrium constant, and the free-energy change for:…

A: The half reactions given are 1) Ca2+ (aq) + 2 e- → Ca (s)…

Q: Given the reaction:        Fe+2 + Cr2O7 -2  → Fe+3 + Cr+3  How many electon/s was/were involved in…

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Q: E0 values ​​for Ce4 + / Ce3 + and Fe2 + / Fe moieties are +1.72 and - 0.4 V, respectively. What…

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Q: Question is in photo, sacrificial anodes and miles of Fe

A: The metal with high -ve reduction potential participates in the process of sacrificial protection.…

Q: What is the value of ΔG o in kJ at 25 oC for the reaction between the pair: Cu(s) and Cr3+(aq) to…

A: ∆G∘ is Gibbs free energy which tells us about the spontaneity of the reaction. When the value of…

Q: v. An electrolysis experiment is conducted with fused CaCl2 How long would it take to eposit 1.00…

A: Mass of Ca = 1.00 g  Current = 10.0 A  Time,t = ?

Q: A solution containing Pt** is electrolyzed with a current of 3.00 A. How long will it take to plate…

A: Introduction : given : Current=3 A  Volume = 0.50 L  Molarity=0.010M

Q: Based on the following electrochemical data, which is the strongest oxidizing agen Hg2+(aq) + 2e →…

A: Oxidizing agent :  If the reduction potential of a species is high or more positive then it will…

Q: A solution of Cu* is undergoing a redox titration by the addition of Ce**. The standard reduction…

A: Given, Ce4++e-⇌Ce3+              E°=+1.72VCu2++e-⇌Cu+               E°=+0.161 V

Q: Redox Titration Curve Consider the titration of 100.00 mL of 0.0100 M Ce4+ in 1.00 M HClO4 by…

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Q: For a Magnesium-Aluminum cell [Mn2+ + 2e- --> Mn (-1.18V)] [Al3+ + 3e- --> Al (-1.66)] 1M for both…

A: Note: According to the rules we can only solve first three parts. Given: Reaction  To find: Ecell…

Q: A solution of Cr(NO3)3 is used to electrochemically deposit Cr(s) using a 2.25 amp power supply. If…

A: The mass deposited during electrolysis of Cr is 13.68 g

Q: Calculate the copper activity in an aqueous 0.12 M CuCl2 solution.

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Q: Calculate the reduction potential for a Pt | Cr3+, Cr2+ halfcell in which [Cr3+] is 0.15 M and…

A: In inorganic chemistry, reduction is the process of gaining of electrons during the reaction.…

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A: The activity of a metal depends on the electropositive nature of it. More the electropositive metal,…

Q: Which of the following metals is least active? O Ca OK Pt O Li O AI

A: Given,

Q: TRUE                                      OR                                            FALSE Aqua…

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Q: A 0.425 g sample of steel is dissolved in acid, and the manganese oxidized to permanganate. The…

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Q: 瓦,可 212 106% Q 6: Galvanic cell presented as Fe/Fe2 //Co²/Co, If reduction potential of iron = -…

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Q: A solution containing Pt+ is electrolyzed with a current of 2.60 A. How long will it take to plate…

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Q: An aqueous solution of nickel acetate is electrolyzed for 3 hours with a 1.5 ampere current. What…

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Q: Calculate the time required for a constant current of 0.885 A to deposit 0.335 g of TI(III) as TI(s)…

A: This question is related to Faraday law.

Q: In the formation of iron (II) oxide, which species is being reduced? Fe(s) + O2(g) → FeO(s)   a.…

A: The chemical species that gains electrons are called reduced species.

Q: How strong is Ag as a reducing agent? Where does it lie relative to Cu, Mg, Zn, and Pb? Explain

A: When the standard reduction potential is more positive then the element will be a weak reducing…

Q: Calculate the pH of the cathode compartment for the following reaction given Ecell = 3.01 V when…

A: We know that., PH  =  - log [H+]

Q: ELECTROCHEMISTRY: Given the line notation: Pt|Xa), X7+ (ag) Where: x2+ + e → X+ y3+ + 3e → Y Pt++ +…

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Q: Mass determination by electroplating. What mass of copper metal is deposited if a 5.12 A current is…

A: Electrolysis is a process in which the chemical energy is converted to electrical energy. The amount…

Q: (8) VI. It took 1.00 hour for a 0.773 A current to plate 0.500 g of a metal containing M* ions. What…

A: Given: Current (I) = 0.773 A Mass of metal M = 0.5 g Time (t) =1 hr = 3600 sec

Q: Use standard reduction potentials to calculate the equilibrium constant for the reaction: Ni²*(aq) +…

A: The maximum potential of cell or commonly known as standard cell potential along with Gibbs energy…

Q: Based on the following electrochemical data, which is the strongest oxidizing agent? Hg2+(aq) + 2e →…

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Q: The grams of metallic Ni (58.69 g/mol) that can be produced by electrolysis of aqueous NiCl2(aq)…

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Q: If 12.0 g of Cr are plated from an aqueous solution containing Cr* ions using a current of 3.50…

A: Answer :              318.18 minutes  current flow. Given :           Mass lost at electrode (m) =…

Q: In the electrolysis of a solution containing Ni²+ (aq), metallic Ni(s) deposits on the cathode.…

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Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.