
Balancing Redox Reactions Concepts
Interactive Video
•
Chemistry
•
10th - 12th Grade
•
Hard

Liam Anderson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in balancing a redox reaction using the ion-electron method?
Balance the charges
Write the oxidation numbers for each element
Identify the products
Add water molecules
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a redox reaction, what does it mean if an element's oxidation number decreases?
The element is oxidized
The element is reduced
The element gains protons
The element loses protons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you balance oxygen atoms in a redox reaction?
By adding more reactants
By adding water molecules
By adding electrons
By adding H+ ions
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is added to balance hydrogen atoms in an acidic medium?
Electrons
OH- ions
H+ ions
Water molecules
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you balance the charge in a redox reaction?
By adding more reactants
By adding electrons
By adding H+ ions
By adding water molecules
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of multiplying the half-reactions by a common factor?
To balance the number of protons
To balance the number of molecules
To balance the number of electrons
To balance the number of atoms
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be equal on both sides of a balanced redox reaction?
The number of electrons only
The number of protons
The charge and number of atoms
The number of molecules
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