The correct statement among the following options is: 

1. Ecell and ∆rG of cell reaction are both extensive properties.
2. Ecell and ∆rG of cell reaction are both intensive properties.
3. Ecell is an intensive property while ∆rG of cell reaction is an extensive property.
4. Ecell is an extensive property while ∆rG of cell reaction is an intensive property.

Subtopic:  Electrode & Electrode Potential |
 72%
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The difference between the electrode potentials of two electrodes when no current is drawn through the cell is called:

1. Cell potential. 2. Cell emf.
3. Potential difference. 4. Cell voltage.
Subtopic:  Electrode & Electrode Potential |
 63%
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The incorrect statement about an inert electrode in a cell is:

1. It does not participate in the cell reaction.
2. It provides a surface either for oxidation or for the reduction reaction.
3. It provides a surface for the conduction of electrons.
4. It provides a surface for redox reaction.

Subtopic:  Electrode & Electrode Potential |
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Match the items of Column I and Column II on the basis of data given below

 

Column I                     Column II
A F2 1. Metal is the strongest reducing agent
B Li 2. Metal ion which is the weakest oxidising agent
C Au3+ 3. Non-metal which is the best oxidising agent
D Br- 4. Unreactive metal
E Au 5 Anion that can be oxidised by Au3+
F Li+ 6 Anion which is the weakest reducing agent
G F- 7 Metal ion which is an oxidising agent

Options:  A   B   C   D    E   F   G 
1. 3 1 7 5 4 2 6
2. 1 2 3 5 7 4 6
3. 5  4  3  2 6 5 1
4. 4  5 2 1 6 7
 

Subtopic:  Electrochemical Series | Electrode & Electrode Potential |
 80%
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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.

Subtopic:  Electrode & Electrode Potential |
 65%
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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.

Subtopic:  Electrode & Electrode Potential |
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