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Acid-Base Dissociation Concepts

Acid-Base Dissociation Concepts

Assessment

Interactive Video

Chemistry, Science, Biology

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial discusses the dissociation constants of acids and bases. It explains that strong acids dissociate completely, while weak acids and bases dissociate partially. The dissociation constant (Ka for acids and Kb for bases) is calculated using the law of mass action. A higher dissociation constant indicates greater acidic or basic strength.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference in dissociation between strong and weak acids?

Strong acids dissociate partially, while weak acids dissociate completely.

Strong acids dissociate completely, while weak acids dissociate partially.

Both strong and weak acids dissociate completely.

Both strong and weak acids dissociate partially.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a weak acid HA is dissolved in water, what ions are produced?

H2O and A-

H+ and A-

H+ and OH-

HA and A-

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which law is applied to determine the dissociation constant of a weak acid?

Law of Multiple Proportions

Law of Conservation of Mass

Law of Definite Proportions

Law of Mass Action

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a higher value of Ka indicate about an acid?

It is a weaker acid.

It is a stronger acid.

It has no effect on acid strength.

It is a neutral acid.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What ions are produced when a weak base BOH is dissolved in water?

B+ and OH-

B- and OH+

B+ and H+

BOH and OH-

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which law is used to find the dissociation constant of a weak base?

Law of Multiple Proportions

Law of Definite Proportions

Law of Conservation of Energy

Law of Mass Action

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a higher value of Kb indicate about a base?

It is a neutral base.

It has no effect on base strength.

It is a stronger base.

It is a weaker base.

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