Assertion(A): The conductivity of a solution decreases with dilution.
Reason(R): Conductivity of a solution depends on the number of ions and the number of ions
decreases when the solution is diluted.

1. Both assertion and reason are true, and the reason is the correct explanation of the assertion.

2. Both assertion and reason are true, but the reason is not the correct explanation of the assertion.

3. Assertion is true but reason is false.

4. Assertion is false but reason is true.
Subtopic:  Conductance & Conductivity |
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Assertion: Copper sulphate can be stored in a zinc vessel.

Reason: Zinc is less reactive than copper.

1. Both assertion and reason are true and the reason is the correct explanation of assertion.

2.  Both assertion and reason are true and the reason is not the correct explanation of assertion.

3.  Assertion is true but the reason is false.

4.  Both assertion and reason are false.

Subtopic:  Electrochemical Series |
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Assertion: EAg+/ Ag increases with an increase in the concentration of Ag+ ions.

Reason: EAg+/ Ag has a positive value.

1.  Both assertion and reason are true and the reason is the correct explanation of assertion.

2.  Both assertion and reason are true and the reason is not the correct explanation of assertion.

3.  Assertion is true but the reason is false.

4.  Both assertion and reason are false.

Subtopic:  Electrode & Electrode Potential |
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Assertion: Current stops flowing when Ecell = 0.

Reason: Equilibrium of the cell reaction is attained.

1.  Both assertion and reason are true and the reason is the correct explanation of assertion.

2.  Both assertion and reason are true and the reason is not the correct explanation of assertion.

3.  Assertion is true but the reason is false.

4.  Both assertion and reason are false.

Subtopic:  Electrolytic & Electrochemical Cell |
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Assertion: For measuring the resistance of an ionic solution an AC source is used.

Reason: Concentration of ionic solution will change if DC source is used.

1. Both assertion and reason are true and the reason is the correct explanation of assertion.

2.  Both assertion and reason are true and the reason is not the correct explanation of assertion.

3.  Assertion is true but the reason is false.

4.  Assertion is false but the reason is true.

Subtopic:  Electrode & Electrode Potential |
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Assertion: Electrolysis of NaCl solution gives chlorine at anode instead of O2 .

Reason: Formation of oxygen at anode requires over voltage.

1.  Both assertion and reason are true and the reason is the correct explanation of assertion.

2.  Both assertion and reason are true and the reason is not the correct explanation of assertion.

3.  Assertion is true but the reason is false.

4.  Assertion is false but the reason is true.

 

Subtopic:  Electrolytic & Electrochemical Cell |
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Assertion: Mercury cell does not give steady potential.

Reason: In the cell reaction, ions are not involved in the solution.

1.  Both assertion and reason are true and the reason is the correct explanation of assertion.

2.  Both assertion and reason are true and reason is not the correct explanation of assertion.

3.  Assertion is true but the reason is false.

4. Assertion is false but the reason is true.

 

Subtopic:  Batteries & Salt Bridge |
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Assertion (A): Λm for weak electrolytes shows a sharp increase when the electrolytic solution is diluted.
Reason (R): For weak electrolytes degree of dissociation increases with a dilution of solution.
  
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. Both (A) and (R) are false.

Subtopic:   Kohlrausch Law & Cell Constant |
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Assertion: Conductivity of all electrolytes decreases on dilution.

Reason: On dilution number of ions per unit volume decreases.

1.  Both assertion and reason are true and the reason is the correct explanation of assertion.

2.  Both assertion and reason are true and the reason is not the correct explanation of assertion.

3.  Assertion is true but the reason is false.

4.  Assertion is false but the reason is true.

 

Subtopic:  Conductance & Conductivity |
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Assertion: Ecell should have a positive value for the cell to function.

Reason: Ecathode < Eanode

1.  Both assertion and reason are true and the reason is the correct explanation of assertion.

2.  Both assertion and reason are true and the reason is not the correct explanation of assertion.

3.  Assertion is true but the reason is false.

4.  Assertion is false but the reason is true.

Subtopic:  Relation between Emf, G, Kc & pH |
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