Welcome to the Electrochemical Cells MCQs with Answers, it helps learners quickly identify areas for improvement in Electrochemical Cells Online Test.
| Electrochemical cells are devices that convert chemical energy directly into electrical energy through redox reactions. They are categorized into two main types: galvanic (or voltaic) cells and electrolytic cells.
In a quiz focused on electrochemical cells, MCQs cover fundamental concepts and applications. Galvanic cells multiple choice questions explore how spontaneous redox reactions generate electrical current and highlight components like anode, cathode, and salt bridge. Electrolytic cells MCQs focus on non-spontaneous reactions driven by an external electric current to induce redox reactions, crucial for processes like electroplating and electrolysis. Cell potentials exam questions delve into the measurement and calculation of cell potentials, emphasizing the relationship between standard electrode potentials, Gibbs free energy change, and the Nernst equation. Redox reactions in cells MCQs examine specific redox processes within electrochemical cells, addressing the mechanisms behind electron transfer and ion movement across electrodes and electrolytes. |
Electrochemical Cells Online Quiz
By presenting 3 options to choose from, Electrochemical Cells Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Electrochemical Cells Questions and Answers and click over the correct answer.
- Test Name: Electrochemical Cells MCQ Quiz Practice
- Type: Quiz Test
- Total Questions: 40
- Total Marks: 40
- Time: 40 minutes
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Electrochemical Cells Flashcards
The process of converting chemical energy into electrical energy in an electrochemical cell is called _______.
Which of the following is an example of a spontaneous reaction in an electrochemical cell?
In an electrochemical cell, oxidation occurs at the _______.
What is the purpose of a salt bridge in an electrochemical cell?
The standard electrode potential is measured with respect to a _______.
In the notation Zn(s)
Which of the following statements about the Nernst equation is correct?
The emf of a cell is _______.
Which of the following factors does NOT affect the emf of a cell?
The standard electrode potential of hydrogen is _______ volts.
An electrolytic cell operates with an external source of _______.
Which of the following is NOT a primary battery?
The half-reaction occurring at the cathode in an electrochemical cell is the _______.
In a galvanic cell, the _______ is the site of reduction.
The electrode potential of a half-cell is measured against the _______.
Which of the following is NOT a characteristic of a voltaic cell?
The electrode potential of a half-cell is proportional to the _______.
Which type of cell allows a non-spontaneous reaction to occur using electrical energy?
The overall cell reaction in a galvanic cell proceeds _______.
What is the function of a porous barrier in an electrochemical cell?
The salt bridge in an electrochemical cell usually contains _______.
What is the role of electrons in an electrochemical cell?
Which metal is commonly used as the standard in standard electrode potentials?
In a Daniell cell, what is the anode made of?
What type of cell is used in electroplating?
What is the purpose of a reference electrode in electrochemistry?
The half-reaction at the anode involves _______.
Which of the following statements about electrolysis is true?
What is the function of the inert electrode in an electrolytic cell?
The electrolyte in an electrochemical cell _______.
Which of the following is NOT a factor affecting the rate of electrolysis?
What is the purpose of an ion-selective membrane in a fuel cell?
Which of the following metals is commonly used as a cathode in electrochemical cells?
What is the purpose of the porous barrier in a fuel cell?
Which of the following cells is used as a power source for spacecraft and satellites?
What is the electrolyte in a lead-acid battery?
In which direction do electrons flow in an external circuit of a galvanic cell?
What is the function of the separator in a battery?
Which of the following factors affects the voltage of a voltaic cell?
What is the byproduct of the reaction in a hydrogen fuel cell?
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