
Ionic Conductance and Mobility Concepts
Interactive Video
•
Chemistry, Physics, Science
•
11th - 12th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is ionic mobility?
The speed of an ion moving under a unit potential gradient
The ability of an ion to dissolve in water
The charge of an ion in a solution
The size of an ion in a crystal lattice
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ion is known for having very high ionic mobility?
H+
Li+
Na+
K+
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do smaller ions like lithium and sodium have lower ionic mobility?
They are less charged
They are less reactive
They are highly solvated, increasing their effective size
They have a higher charge density
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary reason for the high mobility of H+ ions in water?
Their high charge
The rapid transfer of protons through hydrogen bonds
Their small size
Their low solvation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the structure of ice affect the mobility of protons compared to water?
Protons move slower in ice due to its rigid structure
Protons dissolve in ice
Protons move faster in ice because they can jump between fixed positions
Protons are immobilized in ice
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What mechanism explains the high mobility of OH- ions in water?
Direct movement through the solution
Exchange of protons between water and OH- ions
Reduction of OH- ions
Increase in temperature
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Walden's rule, what is the relationship between ionic conductance and viscosity?
They are equal
They are unrelated
They are inversely proportional
They are directly proportional
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