Conductance in Electrolytic Solutions NEET Questions

Physical Chemistry - Redox Reactions and Electrochemistry

Conductance in Electrolytic Solutions MCQ Questions


7.
Which of the following will have the highest molar conductance at infinite dilution?
A.
NaCl
B.
HCl
C.
CH₃COOH
D.
(NH₄)₂SO₄
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ANSWER :
B. HCl
8.
In conductometric titrations, conductance changes due to:
A.
Temperature change
B.
Volume increase
C.
Formation of product ions
D.
Removal of ions from solution
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ANSWER :
D. Removal of ions from solution
9.
Which of the following factors affects conductivity the most?
A.
Ion size
B.
Molar mass
C.
Ion mobility
D.
Molecular polarity
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ANSWER :
C. Ion mobility
10.
Unit of specific conductivity is:
A.
S cm² mol⁻¹
B.
S cm⁻¹
C.
S mol⁻¹
D.
S⁻¹
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ANSWER :
B. S cm⁻¹
11.
Which of the following shows highest conductivity in aqueous solution?
A.
HNO₃
B.
H₂SO₄
C.
HCl
D.
HClO₄
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ANSWER :
D. HClO₄
12.
Molar conductance of CH₃COOH increases sharply at:
A.
High temperature
B.
High concentration
C.
Low concentration
D.
High pressure
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ANSWER :
C. Low concentration