

Understanding the Autoionization of Water
Interactive Video
•
Chemistry
•
11th - 12th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary question to consider when studying the properties of water in chemistry?
Is water an acid or a base?
Is water a good solvent?
Does water conduct electricity?
Is water a solid or a liquid?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean for a molecule to be amphoteric?
It can act as both an acid and a base.
It can only act as a base.
It can only act as an acid.
It cannot participate in any reactions.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction between two water molecules, what is the charge of the hydronium ion formed?
No charge
Neutral
Positive
Negative
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When water reacts with a strong acid like HCl, what role does water play?
Water does not participate in the reaction.
Water acts as an acid.
Water acts as a base.
Water acts as a solvent.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equilibrium constant expression for the autoionization of water?
Kw = [H+][OH-] / [H2O]
Kw = [H2O] / [H+][OH-]
Kw = [H2O]
Kw = [H+][OH-]
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At 25 degrees Celsius, what is the value of Kw for water?
1 x 10^-10
1 x 10^-4
1 x 10^-7
1 x 10^-14
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the pH of a solution if you know the concentration of H+ ions?
pH = [OH-]/[H+]
pH = [H+]/[OH-]
pH = log[H+]
pH = -log[H+]
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