Arrhenius Acids and Bases Concepts

Arrhenius Acids and Bases Concepts

Assessment

Interactive Video

Chemistry, Science, Biology

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

This video, presented by Harry Kim, explores the Arrhenius definition of acids and bases, which is limited to aqueous solutions. Arrhenius acids dissociate to produce hydrogen ions, while bases produce hydroxide ions. The video explains the inverse relationship between hydrogen ion concentration and pH, and provides examples of Arrhenius acids and bases, such as hydrochloric acid and sodium hydroxide. It also discusses why ammonia does not fit the Arrhenius definition. The video concludes with a reminder to practice these concepts.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key limitation of the Arrhenius definition of acids and bases?

It only applies to non-polar solutions.

It only applies to solid solutions.

It only applies to aqueous solutions.

It only applies to gaseous solutions.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do Arrhenius acids produce when they dissociate in water?

Sodium ions

Hydrogen ions

Chloride ions

Hydroxide ions

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the concentration of hydrogen ions related to pH?

Exponentially proportional

Directly proportional

Inversely proportional

Not related

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do Arrhenius bases produce when they dissociate in water?

Hydroxide ions

Ammonium ions

Hydrogen ions

Chloride ions

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic of Arrhenius bases?

They produce hydroxide ions in solution.

They decrease the pH of a solution.

They are always solid at room temperature.

They increase the concentration of hydrogen ions.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which molecule is an example of an Arrhenius acid?

Sodium hydroxide

Lithium hydroxide

Ammonia

Hydrochloric acid

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the pH of a solution when hydrochloric acid is added?

The pH becomes neutral.

The pH remains the same.

The pH decreases.

The pH increases.

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