What is the first step in balancing a redox reaction?

Balancing Redox Reactions Concepts

Interactive Video
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Chemistry
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9th - 10th Grade
•
Hard

Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Add hydrogen ions to balance hydrogen
Add water to balance oxygen
Write the oxidation numbers for each element
Identify the reactants and products
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to sodium in the redox reaction with water?
It remains neutral
It forms a gas
It gains an electron and is reduced
It loses an electron and is oxidized
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is hydrogen affected in the redox reaction with sodium?
It gains an electron and is reduced
It loses an electron and is oxidized
It remains unchanged
It forms a solid
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What can be added to balance oxygen in a half-reaction?
Hydrogen ions
Electrons
Water
Sodium ions
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is added to balance hydrogen in a half-reaction?
Water
Hydrogen ions
Electrons
Sodium ions
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to balance charges in a redox reaction?
To ensure the reaction is spontaneous
To conserve mass
To ensure the exchange of electrons is balanced
To make the reaction faster
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of multiplying the half-reactions by a factor?
To balance the number of atoms
To balance the charges
To increase the reaction rate
To decrease the reaction rate
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