Which type of chemical reaction is observed at cathode, in electrochemical corrosion? A. oxidation reaction B. pertetectic reaction  C. reduction reaction D. None of the above

Q: 0. Which type of ion usually undergoes reduction? O All ions O Anion No ion Cation

A: Reduction reaction When a molecule accepts electron it becomes reduced.

Q: We know that rusting of iron is due to chemical reaction, How can you prevent this from happening?

A: Rusting of iron:  The rusting of iron is due to increase in the oxidation state of iron. Mainly Rust…

Q: following

A: In corrosion, metals lose electrons to form metal ions.

Q: Determine whether or not each metal dissolves in 1 M HCI. For those metals that do dissolve, write a…

A: Determine whether or not each metal dissolves in 1M HCl. For those metals that do dissolve, write a…

Q: Which of the following statement is not correct? A. Corrosion is an irreversible process B.…

A: Corrosion is described as a natural process that occurs when pure metals react with substances such…

Q: A reaction that occurs during the corrosion of iron is A. Fe + 3,-→F¢3+ B. Fe2+ + 2e-→ Fe C.…

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Q: 17. The balanced half-reaction in which chlorine gas is reduced to the aqueous chloride ion is a how…

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Q: Refer to the electrolysis of water. If using phenolphthalein as an indicator, at which electrode do…

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Q: In an electrochemical cell, energy is converted to energy. O Electrical; Chemical Electrical;…

A: In an electrochemical cell Chemical energy is coverted to Electrical energy

Q: What are the answers of questions c, d and e?

A: The formation of the unwanted thin film of oxide on the surface of the metals, when they interact…

Q: AIF6+ 3e --> Al + 6F Which of the following occurs in the reaction? A. AIF6- is reduced at the…

A: Reduction is gain of electrons and substance is said to be reduced.

Q: Which of the following terms are mismatched (false). 1.) Electrons are lost in oxidation reactions…

A: we need to look at the definitions of oxidation and reduction to identify the mismatched terms.

Q: Compute for the oxidation number of the following elements. a. C2042 с. НСО:1 e. FeO42 b. B4072 d.…

A: Oxidation number :- Charge of a particular atom in a  compound or molecule is considered to be…

Q: 12. What occurs during the electrolysis of a molten salt? A. Electricity is produced by a…

A: Electrolysis is a process which takes place in the electrolytic cell. In this process a chemical…

Q: Determine whether or not each metal dissolves in 1 M HIO3. Forthose metals that dissolve, write a…

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Q: 3. Define corrosion current, corrosion product and electrochemical theory of corrosion.

A: Corrosion current is defined as the current produced in electrochemical cell due to occurrence of…

Q: reduction takes place at the cathode and oxidation at the anode A.True

A: ANSWER

Q: to the given reaction 4 Ag + 4 Cl- → 4 AgCl + 4 e- by ....... A. Pt cathode B. Ag cathode C. Ag…

A: In Electrochemical cell in which anode undergoes oxidation ( loss of electron) and cathode undergoes…

Q: 15. Which of these do(does) not correspond to oxidation-reduction processes? A. CuO + H2 → Cu + H2O…

A: SOLUTION: Step 1: The oxidation-reduction reaction is a chemical reaction which involves both…

Q: . Appreciate the practical applications of electrolysis.

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Define the Oxidation-reduction recation and give example

A: Oxidation :- Addition of oxygen or removal of Hydrocarbon or Loss of electron in the substance is…

Q: 8. Which of these is correctly associated with the anode! I. negative electrode II. electrode at…

A: In the electrochemical cell, the chemical energy is converted into electrical energy and in an…

Q: Types of corrosion are.

A: In this question we have to choose types of corrosion with explanation.

Q: Which of the following is false about corrosion? O The loss or conversion into insoluble compound of…

A: Corrosion is the removal of layer of metal or semiconductor in presence of air , moisture and…

Q: 4. Draw a diagram for cell C. Write the anode and cathode and anode reaction.

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Q: A galvanic cell consists of Mg anode in a 1.0 M Mg(NO,), and Al cathode in a 1.0 M AI(NO,), solution…

A: The electrical energy can be calculated by using Nerst Equation

Q: Write the equations involved in electrochemical reaction of corrosion.   B. Give 1 example each…

A: The formation of rust requires iron, water and oxygen. Although it is a chemical process, and is…

Q: Potassium permanganate oxidises hydrogen peroxide to produce _ gas .     a. H2 b. KMnO4 c. O2   d.…

A: In presence of Potassium permanganate,  hydrogen peroxide oxidised to produce oxygen gas The overall…

Q: The Sn-Cu redox couple gives a reversible reaction. What is the equilibrium constant for this…

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Q: Determine whether or not each metal, if coated onto iron, would prevent the corrosion of iron. A. Zn…

A: To determine if a metal coating will prevent the corrosion of iron or not, it is important to…

Q: The anode can always be defined as the:  a. electrode at which reduction occurs b. electrode at…

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Q: 1. Define the following: Cathode, anode, redox, salt bridge

A: A cathode is the metallic electrode through which current flows out in a polarized electrical…

Q: An electrode that does is not part of the active redox couple in a voltaic cell (the electrode…

A: Concepts of voltaic cell.

Q: yhich of the following is not a method used to protect iron objects from corrosion? O Apply a…

A: There are following methods for protection of corrosion -  (1) Sacrificial protection -  Here more…

Q: Which of the following decreases the rate of corrosion of iron? Presence of a. water b. salt c.…

A: Which of the following decreases the rate of corrosion of iron? Presence of  d. more active metals…

Q: ype of chemical reaction that involves a transter of electrons between wo species *…

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Q: Which of the following statements is not true regarding KI electrolysis? A. В. At the cathode,…

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Q: Match the correct statement to the half reaction that indicates whether it is oxidation or reduction…

A: Corrosion is a two step process involving 2 reactions i.e. oxidation reaction and reduction…

Q: 14. For each of the following iron-based objects, explain which strategy you think would be most…

A: Corrosion is a natural process by which a refined metal is converted to a more chemically stable…