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Balancing Redux Reactions Concepts

Balancing Redux Reactions Concepts

Assessment

Interactive Video

Chemistry

10th - 12th Grade

Practice Problem

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains how to balance a Redux reaction involving permanganate and sulfite ions. It covers assigning oxidation numbers, writing half reactions, and balancing atoms and charges. The tutorial demonstrates balancing the overall equation by ensuring electron balance and simplifying the reaction. The final balanced Redux reaction is presented, confirming charge and atom balance.

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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 Redux reaction?

Add electrons to balance charge

Write the oxidation numbers for each element

Identify the reactants and products

Add water molecules to balance oxygen

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a Redux reaction, what does a decrease in oxidation number indicate?

No change

Oxidation

Reduction

Formation of a new compound

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you balance oxygen atoms in a Redux reaction?

By adding H+ ions

By adding electrons

By adding water molecules

By changing oxidation numbers

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is used to balance hydrogen atoms in an acidic medium?

H+ ions

Oxygen atoms

Electrons

Water molecules

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you balance the charge in a Redux reaction?

By changing oxidation numbers

By adding more reactants

By adding electrons

By adding water molecules

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be balanced in a Redux reaction besides atoms?

Charge

Volume

Pressure

Temperature

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of multiplying half-reactions by different factors?

To increase the reaction speed

To alter the products

To change the reactants

To balance the number of electrons

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