Section 16.2- Electrochemical Reactions

Question 1

the flow of electric charge

Answer 1

electric current

Question 2

some of the most important applications of oxidation and reduction are __________________, reaction that involve an electric current

Answer 2

electrochemical reactions

Question 3

the flow of electric current in a solution results from the movement of _______________ through the solution

Answer 3

ions

Question 4

the ______________ ions in a solution, the better it can conduct electricity

Answer 4

more

Question 5

pair of electrical contacts connected to a power source

Answer 5

electrodes

Question 6

positively charged ions (cations) in a solution will be attracted to one electrode called the

Answer 6

cathode

Question 7

negatively charged ions (anions) in a solution will be attracted to the

Answer 7

anode

Question 8

the process of passing an electric current through an electrolyte to cause a nonspontaneous redox reaction is known as

Answer 8

electrolysis

Question 9

oxidation occurs at the __________; reduction occurs at the ____________________

Answer 9

oxidation—– anode
reduction —— cathode

Question 10

oxidation of water occurs at the

Answer 10

anode

Question 11

reaction that represents only half of the overall reaction

Answer 11

half-reaction

Question 12

an aqueous solution of NaCl, NaI, NaBr, KI, etc, will produce ____________ at the cathode ad the _____________ at the anode

Answer 12

hydrogen——- cathode
halogen—————- anode

Question 13

electrolytic cells can also be used to form a thin coating of metal on an object in a process called

Answer 13

electroplating