Electrochemistry Basics Quiz
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Questions and Answers

What is the chemical reaction that occurs due to the passage of electric current?

  • Combustion
  • Oxidation
  • Electrolysis (correct)
  • Reduction

    • What is the branch of chemistry that deals with the inter-relationship between electrical energy and chemical changes?

  • Electrochemistry (correct)
  • Organic chemistry
  • Biochemistry
  • Physical chemistry

    • What happens when the external potential applied in a Daniell cell is less than 1.1 V?

  • (i) No flow of electrons or current, (ii) Zn dissolves at anode and Cu deposits at cathode.
  • (i) Electrons flow from Zn rod to Cu rod and current flows from Cu rod to Zn rod. (correct)
  • (i) Electrons flow from Cu to Zn and current flows from Zn to Cu.
  • (i) No flow of electrons or current, (ii) No chemical reaction.

    • In which type of cell is chemical energy converted into electrical energy during a redox reaction?

    <p>Galvanic cell</p> Signup and view all the answers

    What type of work is converted from the Gibbs energy of the spontaneous redox reaction in a Galvanic Cell?

    <p>Electrical work</p> Signup and view all the answers

    What occurs when the external potential applied in a Daniell cell is greater than 1.1 V?

    <p>Electrons flow from Cu to Zn and current flows from Zn to Cu</p> Signup and view all the answers

    What is the cell reaction in a Daniell Cell?

    <p>Zn(s) + Cu2+ (aq) → Zn2+(aq) + Cu(s)</p> Signup and view all the answers

    What type of work is converted from the Gibbs energy of the spontaneous redox reaction in a Galvanic Cell?

    <p>Electrical work</p> Signup and view all the answers

    What is the chemical reaction occurring due to the passage of electric current?

    <p>Electrolysis</p> Signup and view all the answers

    In which type of cell is chemical energy converted into electrical energy during a redox reaction?

    <p>(Galvanic Cell/Voltaic Cell)</p> Signup and view all the answers

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