Electrolytic Cells and Stoichiometry in Electrolysis

What is the primary purpose of using an electrolytic cell?

• To increase the electrical conductivity of metals

• To reduce the oxidation state of metals

• To drive non-thermodynamically favored reactions using electricity

• To generate electricity from chemical reactions

In the Downs cell, what is the main product obtained from sodium chloride?

• Metallic chloride

• Sodium hydroxide

• Chlorine gas and liquid sodium

• Hydrogen gas

Which process occurs at the anode of an electrolytic cell?

• Reduction

• Deposition

• Oxidation

• Neutralization

What historical figure is noted for discovering sodium through electrolysis?

• Sir Humphrey Davy

• Albert Einstein

• Isaac Newton

• Marie Curie

What is the primary purpose of electroplating?

• To decrease the weight of the object

• To protect the base metal from corrosion

• To increase friction

• To enhance electrical conductivity

What is Faraday's constant value?

• 1,000 coulombs per mole of electrons

• 12,000 coulombs per mole of electrons

• 48,242.5 coulombs per mole of electrons

• 96,485 coulombs per mole of electrons

How many electrons are involved in the reduction of lithium ions during the electrolysis of lithium chloride?

• One

• Two

• Three

• Four

What is the result of passing a 0.0565 amp current through water for 18,500 seconds?

• Creation of lithium metal

• Formation of sodium hydroxide

• Liberation of oxygen and hydrogen gases

• Production of chlorine gas

What unit is used to measure electrical charge in electrochemical processes?

• Volt

• Ampere

• Coulomb

• Ohm

Which equation is used to calculate the current in electrochemical processes?

• Current = Charge / Time

• Current = Voltage x Resistance

• Current = Time / Charge

• Current = Power / Voltage