Galvanic Cells and Redox Reactions

What is the primary function of a galvanic cell?

• To convert electrical energy into chemical energy

• To convert chemical energy into electrical energy

• To store electrical energy

• To produce heat energy

In a galvanic cell, which electrode is the anode?

• The electrode where reduction occurs

• The electrode where oxidation occurs

• The electrode with a positive charge

• The electrode with a neutral charge

What is the role of the electrolyte in a galvanic cell?

• To act as a conductor for electrons

• To provide a medium for ion exchange

• To insulate the electrodes

• To prevent the flow of current

Which of the following is a characteristic of a primary galvanic cell?

• It can be recharged

• It is non-rechargeable

• It uses alternating current

• It requires an external power source

What is the role of an inert electrode in a galvanic cell?

• To participate in the redox reaction

• To act as a catalyst

• To provide a surface for the redox reaction without participating

• To absorb excess ions

Which of the following best describes the electrochemical series?

• A list of metals arranged by their atomic mass

• A list of elements arranged by their reactivity

• A list of elements arranged by their standard electrode potentials

• A list of compounds arranged by their solubility

How can the electrochemical series be used in designing galvanic cells?

• To determine the physical size of the cell

• To predict the voltage of the cell

• To calculate the mass of the electrodes

• To determine the temperature at which the cell operates

What is the standard condition for measuring cell voltage?

• 0°C and 1 atm

• 25°C and 1 atm

• 25°C and 1 M concentration

• 0°C and 1 M concentration

Which of the following statements is true about the cathode in a galvanic cell?

• It is the site of oxidation

• It is the site of reduction

• It is always positively charged

• It is always negatively charged

• 0.04 V

• 1.56 V

• 0.04 V

• 1.56 V