Electrochemistry formative quiz
Quiz
•
Chemistry
•
12th Grade
•
Hard
Christine Faltaous
FREE Resource
Enhance your content
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the oxidation state of C in methane?
+4
-4
+1
-1
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which compound is the reducing agent in
Mg(s) + 2HCl(aq) → H2 (g) + MgCl2 (aq) ?
Mg (s)
2 HCl
H2
MgCl2
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In which compound does nitrogen have an oxidation state of +3?
NO
N2O
NO2-
NO3-
4.
DRAW QUESTION
10 mins • 3 pts
Represent a voltaic cell that shows a reaction between magnesium and nickel electrodes.
Indicate the following elements in your diagram:
1) which electrode is the anode and which is the cathode as well as their respective charges (symbols);
2) in which direction electrons flow and
3) in which directions ions flow in solution as well as in the salt bridge.
Use a potassium chloride salt bridge in your voltaic cell. Ignore colours of ions in solution (graph was borrowed from another question).
Answer explanation
See image below of complete circuit.
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Explain what changes in an electrolytic cell compared to a voltaic cell? Select all that apply.
The cell requires a battery for the electrons to flow in the circuit.
The charge of the anode is negative and the charge of the cathode is positive.
The charge of the anode is positive and the charge of the cathode is negative.
The electrons flow from the cathode to the anode.
The cell potential can be measured using a voltmeter.
6.
DRAW QUESTION
10 mins • 3 pts
Balance the following equation in an acidic medium.
Answer explanation
See steps below to correct your work! Final answer should be:
Cr2O72- (aq) + 14H+(aq) + 6I- (aq) → 3I2 (s) + 2Cr3+ (aq) + 7 H2O (l)
Similar Resources on Wayground
11 questions
PAPA 321.3: Volumetric Analysis
Quiz
•
12th Grade - University
10 questions
Chemy 6 - Carbon Compound
Quiz
•
11th - 12th Grade
10 questions
Lab safety Sign
Quiz
•
10th Grade - University
10 questions
Chemical Kinetics
Quiz
•
12th Grade
10 questions
Activity Series Quiz
Quiz
•
12th Grade
10 questions
OCR C2 Chemistry
Quiz
•
KG - University
9 questions
Redox 1: Galvanic Cells
Quiz
•
11th - 12th Grade
10 questions
FREE ENERGY
Quiz
•
10th Grade - University
Popular Resources on Wayground
20 questions
Brand Labels
Quiz
•
5th - 12th Grade
10 questions
Ice Breaker Trivia: Food from Around the World
Quiz
•
3rd - 12th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
20 questions
ELA Advisory Review
Quiz
•
7th Grade
15 questions
Subtracting Integers
Quiz
•
7th Grade
22 questions
Adding Integers
Quiz
•
6th Grade
10 questions
Multiplication and Division Unknowns
Quiz
•
3rd Grade
10 questions
Exploring Digital Citizenship Essentials
Interactive video
•
6th - 10th Grade
Discover more resources for Chemistry
20 questions
Electron Configuration
Quiz
•
10th - 12th Grade
20 questions
Electron Configuration & Orbital Notation
Quiz
•
9th - 12th Grade
18 questions
Energy Levels, Sublevels, and Orbitals
Quiz
•
10th - 12th Grade
20 questions
Electronic Configuration
Quiz
•
12th Grade
59 questions
Unit #5 Periodic Trends Practice Test
Quiz
•
10th - 12th Grade
18 questions
Ions
Quiz
•
9th - 12th Grade
30 questions
ERHS Chem Chapter 2 - The Atom
Quiz
•
9th - 12th Grade
16 questions
Atomic structure and the periodic table
Quiz
•
10th - 12th Grade