Match the items of Column I and Column II on the basis of data given below

Column I

Column II

A. F2

B. Li

C. Au3+

D. Br-

 

1. Metal is the strongest reducing agent

2. Non-metal which is the best oxidising agent

3. Anion that can be oxidised by Au3+

4. Metal ion which is an oxidising agent

1)A-1,B-2,C-3,D-4

2)A-2,B-1,C-4,D-3

3)A-2,B-4,C-1,D-3

4)A-1,B-3,C-2,D-4

Subtopic:  Electrochemical Series |
 88%
From NCERT
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Hints

Match the items of Column I and Column II.

Column I

Column II

A. Lechlanche cell

B. Ni-Cd cell 

C. Fuel cell 

D. Mercury cell 

1. Cell reaction 2H2 +O2 —> 2H2O

2. Does not involve any ion in solution and is used in hearing aids.

3. Rechargeable

4, Reaction at anode, Zn ——> Zn2+ + 2e-

 

1)A-2,B-1,C-4,D-3

2)A-1,B-2,C-3,D-4

3)A-3,B-2,C-1,D-4

4)A-4,B-3,,C-1,D-2

Subtopic:  Batteries & Salt Bridge |
 80%
From NCERT
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Hints

 Match the items of Column I and Column II.

Column I

Column II

A. Lead storage battery

B. Mercury cell

C. Fuel cell

D. Rusting

1. Maximum efficiency

2. Prevented by galvanisation

3. Gives steady potential

4. Pb is anode, PbO2 is cathode

Correct option is:

1) A-1,B-2,C-3,D-4

2) A-4,B-2,C-3,D-1

3) A-4,B-3,C-1,D-2

4) A-4,B-3,C-2,D-1

Subtopic:  Batteries & Salt Bridge |
 93%
From NCERT
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Hints

Match the terms given in Column I with the items given in Column II.

Column I

Column II

A. Λm

B. Ecell 

C. κ

D. rGcell

1. Intensive property

2. Depends on number of ions/volume

3. Extensive property

4. Increases with dilution

Match the following(columnI) with their property(columnII)

1) A-2,B-3,C-1,D-4

2) A-4,B-1,C-2,D-3

3) A-1,B-2,C-3,D-4

4) A-4,B-2,C-1,D-3

Subtopic:  Conductance & Conductivity |
 85%
From NCERT
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Hints

The electrode potential for Mg electrode varies according to the equation

\(E_{Mg^{2+}/Mg}\ = \ E_{Mg^{2+}/Mg}^{o} \ - \ \frac{0.059}{2}log\frac{1}{[Mg^{2+}]}\)

The graph of EMg2+ / Mg vs log [Mg2+] among the following is:

1.    2.  
3.    4.  
Subtopic:  Nernst Equation |
 60%
From NCERT
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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%
From NCERT
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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 |
 92%
From NCERT
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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%
From NCERT
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Given below are two statements: 

Assertion (A): Cu is less reactive than hydrogen.
Reason (R):  Cu2+/ Cu is negative.


 

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:  Electrochemical Series |
 67%
From NCERT
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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.

Subtopic:  Relation between Emf, G, Kc & pH |
 67%
From NCERT
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