Conductance in Electrolytic Solutions NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Conductance in Electrolytic Solutions MCQ Questions


13.
Equivalent conductance is related to molar conductance as:
A.
Λm = Λeq / 1000
B.
Λeq = Λm × 1000 / n
C.
Λeq = Λm × n
D.
Λeq = Λm / n
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ANSWER :
B. Λeq = Λm × 1000 / n
14.
The conductivity of pure water is:
A.
High
B.
Moderate
C.
Low
D.
Infinite
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ANSWER :
C. Low
15.
The increase in conductance with temperature is due to:
A.
Increased ionization
B.
Decreased viscosity
C.
More collisions
D.
All of these
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ANSWER :
D. All of these
16.
Molar conductivity at infinite dilution is denoted as:
A.
Λ∞
B.
κ₀
C.
Λm°
D.
Λm∞
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ANSWER :
D. Λm∞
17.
Molar conductance of weak electrolytes is low because of:
A.
Low mobility
B.
High ionization
C.
Partial ionization
D.
No ions present
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ANSWER :
C. Partial ionization
18.
Which of the following is incorrect about strong electrolytes?
A.
Fully ionized
B.
High molar conductance
C.
High degree of dissociation
D.
Low conductivity
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ANSWER :
D. Low conductivity