The incorrect statement about the solution of electrolytes is:

1. Conductivity of solution depends upon the size of ions.
2. Conductivity depends upon the viscosity of solution.
3. Conductivity does not depend upon the solvation of ions present in solution.
4. Conductivity of solution increases with temperature.
Subtopic:  Conductance & Conductivity |
 73%
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The cell constant of a conductivity cell-

1. Changes with the change of electrolyte.
2. Changes with the change of concentration of electrolyte.
3. Changes with the temperature of the electrolyte.
4. Remains constant for a cell.

Subtopic:  Conductance & Conductivity |
 80%
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The conductivity of an electrolytic solution depends on

a. Nature of the electrolyte

b. Concentration of the electrolyte

c. Power of AC source

d. Distance between the electrodes
The correct statements from the four statements given above are:
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Subtopic:  Conductance & Conductivity |
 79%
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The correct choice among the given regarding formula of Conductivity κ is -

(a)  1RlA

(b)  G*R

(c)  Λm

(d)  lA


1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Subtopic:  Conductance & Conductivity |
 87%
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Molar conductivity of ionic solution depends on

(a) Temperature
(b) Distance between electrodes
(c) Concentration of electrolytes in solution
(d) Surface area of electrodes
The correct choice among the given is - 

1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)

Subtopic:  Conductance & Conductivity |
 76%
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Match the terms given in Column I with the units given in Column II.

Column I

Column II

A. Λm

B. Ecell 

C. κ

D. G*

1. S cm-1

2. m-1

3. S cm2 mol-1

4. V

 Codes

Options:  A   B   C   D 
1.  3   4  1  2
2.  1 2 3 5
3.  5  4  3  2
4.  4  5  3   2

Subtopic:  Conductance & Conductivity |
 90%
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Match the terms given in Column I with the items given in Column II.

Column I

Column II

A. Λm

B. Eocell 

C. κ

D. rGcell

1. Intensive property

2. Depends on number of ions/volume

3. Extensive property

4. Increases with dilution

Codes

Options:  A   B   C   D 
1.  2  3  4  1
2.  1   2  3  5
3.  5  4  3  2
4.  4  1  2  3

Subtopic:  Conductance & Conductivity |
 83%
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Match the items of Column I and Column II.

Column I

Column II

A. κ

B. Λm

C. α

D. Q

1. I x t

2. Λm/Λm0

3. κC

4. G*R

  Codes

Options:  A   B   C   D 
1. 2 3 4 1
2. 1 2 3 5
3. 5 4 3 2
4. 4 3 2 1

Subtopic:  Conductance & Conductivity |
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Given below are two statements: 

Assertion (A): Conductivity of all electrolytes decreases on dilution.
Reason (R): On dilution number of ions per unit volume decreases.

1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. (A) is false but (R) is true.

Subtopic:  Conductance & Conductivity |
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