What will happen during the electrolysis of an aqueous solution of CuSO4 by using platinum electrodes?

a.  Copper will deposit at cathode

b.  Copper will deposit at the anode

c.  Oxygen will be released at the anode

d.  Copper will dissolve at the anode

The correct choice among the given is -


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

Subtopic:  Faraday’s Law of Electrolysis |
 80%
From NCERT
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What will happen during the electrolysis of aqueous solution of CuSO4 in the presence of Cu electrodes?

a.  Copper will deposit at cathode

b.  Copperwill dissolve at anode

c.  Oxygen will be released at anode

d.  Copper will deposit at anode

The correct choice among the given is -


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

Subtopic:  Electrolytic & Electrochemical Cell |
 62%
From NCERT
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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%
From NCERT
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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 |
 75%
From NCERT
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For the given cell, Mg | Mg2+ || Cu2+ | Cu

a.  Mg acts as cathode

b.  Cu acts as cathode

c.  The cell reaction is Mg+ Cu2+ —-> Mg2+ + Cu

d.  Cu is the oxidising agent

The correct choice among the given is - 


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

Subtopic:  Electrolytic & Electrochemical Cell | Nernst Equation |
 74%
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 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%
From NCERT
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Match the items of Column I and Column II. 

Column I Column II
A  Lead storage battery 1. Maximum efficiency
B  Mercury cell 2. Prevented by galvanization
C  Fuel cell 3. Gives steady potential
Rusting 4. Pb is an anode, PbO2 is cathode 

Codes:

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

Subtopic:  Batteries & Salt Bridge |
 88%
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 Column-I (Types of cell) with Column-II (Characteristics shown by cells ) and mark the appropriate option:

Column I
 (Type of cell)
Column II
(Characteristics)
A Lechlanche cell  1. Cell reaction 2H2 +O2 → 2H2O
B Ni-Cd cell  2. Does not involve any ion in solution and is used in hearing aids.
C Fuel cell  3.  Rechargeable
Mercury cell  4. -Reaction at anode, Zn  → Zn2+ + 2e-

Codes:

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

Subtopic:  Batteries & Salt Bridge |
 83%
From NCERT
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