WorksheetsSCL ELECTROLYTIC CELL QUIZ
Total questions: 8
Worksheet time: 4mins
Electrolytic cells use _______ reaction .
non spontaneous redox
spontaneous redox
Electrical energy is converted to Chemical energy in .........
A Voltaic Cell
A Electrolytic Cell
Both Voltaic and Electrolytic cells
What is the name given to the solution that is being electrolyzed?
Salt solution
Mineral solution
Electric solution
Electrolyte
What is the coefficient of the bromide ion when the following redox equation is balanced?
BrO- + Fe(OH)2 __> Br- + Fe(OH)3
1
2
3
4
What is the product formed at the cathode in the electrolysis of molten NaCl?
Chlorine gas
Hydrogen gas
Sodium metal
Oxygen gas
The anode half equation is _______________.
2Br-(l) --> Br2(g) + e
2Br-(l) --> Br2(l) + 2e
Zn2+(l) + 2e--> Zn(s)
Zn2+(l) + 2e --> Zn(l)
How much voltage will you have to apply to carry out this reaction?
Less than 1.1V
Greater than 1.1V
No voltage needs to be applied because this reaction represents an electrolytic cell
No voltage needs to be applied because this reaction represents a galvanic cell
The half-reaction that occurs at the anode during the electrolysis of molten sodium bromide is:
2 Br- --> Br2 + 2 e-
Na+ + e- --> Na
Br2 + 2 e- --> 2 Br-
Na --> Na+ + e-
