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Q. No.

Given below are two statements: 
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 (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.
Q1:
 70% From NCERT 
Subtopic:  Conductance & Conductivity |
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Assertion (A): Copper sulphate can be stored in a zinc vessel.
Reason (R):  Zinc is less reactive than copper.

 

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.

Q2:
 68% From NCERT 
Subtopic:  Electrochemical Series |
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Given below are two statements: 

Assertion (A): EAg+/ Ag increases with an increase in the concentration of Ag+ ions.
Reason (R): EAg+/ Ag has a positive value.

 

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.

Q3:
From NCERT 
Subtopic:  Electrode & Electrode Potential |
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Given below are two statements: 

Assertion (A): Current stops flowing when Ecell = 0.
Reason (R):  Equilibrium of the cell reaction is attained.

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.

Q4:
 88% From NCERT 
Subtopic:  Electrolytic & Electrochemical Cell |
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Given below are two statements: 

Assertion (A):  For measuring the resistance of an ionic solution an AC source is used.
Reason (R): Concentration of ionic solution will change if DC source is used.

 

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.

Q5:
 65% From NCERT 
Subtopic:  Electrode & Electrode Potential |
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Given below are two statements: 

Assertion (A): Electrolysis of NaCl solution gives chlorine at anode instead of O2 .
Reason (R): Formation of oxygen at anode requires overvoltage.

 

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.

Q6:
 70% From NCERT 
Subtopic:  Electrolytic & Electrochemical Cell |
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Assertion (A):  Mercury cell does not give steady potential.
Reason (R):  In the cell reaction, ions are not involved in the 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. (A) is False but (R) is True.

Q7:
 59% From NCERT 
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 the 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.
Q8:
 80% From NCERT 
Subtopic:   Kohlrausch Law & Cell Constant |
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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.

Q9:
 77% From NCERT 
Subtopic:  Conductance & Conductivity |
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Given below are two statements: 

Assertion (A): Ecell should have a positive value for the cell to function.
Reason (R): Ecathode < Eanode

 
 

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.

Q10:
 68% From NCERT 
Subtopic:  Relation between Emf, G, Kc & pH |
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