Conductance in Electrolytic Solutions NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Conductance in Electrolytic Solutions MCQ Questions


1.
Which of the following increases the conductance of an electrolytic solution?
A.
High viscosity
B.
Low temperature
C.
High dilution
D.
Presence of non-electrolytes
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ANSWER :
C. High dilution
2.
The unit of molar conductance is:
A.
S cm⁻¹
B.
S
C.
S cm² mol⁻¹
D.
S mol⁻¹
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ANSWER :
C. S cm² mol⁻¹
3.
Which type of electrolyte shows a sharp increase in molar conductance at infinite dilution?
A.
Weak electrolyte
B.
Strong electrolyte
C.
Non-electrolyte
D.
Amphoteric compound
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ANSWER :
A. Weak electrolyte
4.
Conductivity of a solution decreases with:
A.
Increase in temperature
B.
Increase in dilution
C.
Increase in ion size
D.
Increase in electrolyte strength
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ANSWER :
B. Increase in dilution
5.
Kohlrausch’s Law is used to determine:
A.
Conductance of strong electrolytes
B.
Conductance at infinite dilution
C.
Resistance of a cell
D.
None of these
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ANSWER :
B. Conductance at infinite dilution
6.
Molar conductance of a solution is defined as:
A.
Conductivity × Volume
B.
Conductivity / Concentration
C.
Conductivity × 1000 / Molarity
D.
None of these
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ANSWER :
C. Conductivity × 1000 / Molarity