Electrochemistry Quiz

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 create a magnetic field

In a redox reaction, what does the acronym 'GER' stand for?

• Gain of Electrons is Reduction

• Gain of Energy is Reduction

• Gain of Electrons is Reaction

• Gain of Energy is Reaction

What role does a salt bridge play in a galvanic cell?

• It generates electricity

• It separates the anode and cathode

• It stores electrons

• It maintains charge neutrality

What is required to drive a non-spontaneous reaction in an electrolytic cell?

• A spontaneous reaction

• A magnetic field

• An external energy source

• A salt bridge

In an electrolytic cell, what is the charge of the anode?

• Variable

• Neutral

• Positive

• Negative

How does the charge of the cathode in a galvanic cell compare to that in an electrolytic cell?

• Galvanic is positive, electrolytic is negative

• Both are negative

• Both are positive

• Galvanic is negative, electrolytic is positive

What is the main difference between galvanic and electrolytic cells in terms of spontaneity?

• Galvanic cells are spontaneous, electrolytic cells are non-spontaneous

• Both are spontaneous

• Both are non-spontaneous

• Galvanic cells are non-spontaneous, electrolytic cells are spontaneous

Which of the following is true about the setup of a galvanic cell?

• It requires a single container

• It requires a salt bridge

• It does not involve redox reactions

• It does not require electrodes

What happens to electrons in a galvanic cell?

• They flow from cathode to anode

• They remain stationary

• They flow from anode to cathode

• They are absorbed by the salt bridge

In the context of electrochemistry, what does 'an ox and a red cat' help you remember?

• Anode is reduction, cathode is oxidation

• Anode is oxidation, cathode is reduction

• Anode is neutral, cathode is charged

• Anode is charged, cathode is neutral