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MCQ's Test For Chapter 10 "Electrochemistry"
Try The MCQ's Test For Chapter 10 "Electrochemistry"
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Total Questions17
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Time Allowed20
Electrochemistry
00:00
Question # 1
Electroysis is used in the extration of
Question # 2
Electroysis requires.
Question # 3
The more positive the standard reduction potential
Question # 4
In redox reactions, oxidizing agents are
Question # 5
For a redox reaction to be spontaneous, Delga G should be
Question # 6
Electrochemical equivalent is.
Question # 7
Electroplating involves.
Question # 8
In an electrolysis exprement if a charge 96,500 Coluombs is passed trough a solution, the amount of substance liberated or deposited at the electrode is directly relatd to.
Question # 9
If Eo cell is +1.10 V , the reactio is
Question # 10
The oxidation number of sulfur in H2SO4 is
Question # 11
Cell potential is the differecne between
Question # 12
A salt bridge is usually made from
Question # 13
In the Hall Heroult process, aluminum is obtained by
Question # 14
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 15
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 16
In a galvanic cell, the anode is
Question # 17
Electrolysis of CuSO4 using copper eletrodes results in
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | A positive value for the standared electrode potential of a metal ion metal half cell indicate that |
A. The metal is stong reducing agent
B. The metal ion is redily oxidized
C. The metal ion is redily reduced
D. The metal will readily displace hydrogen from dilute acids.
|
| 2 | Redox reactions always involve. |
A. Gain of protons
B. Transfer of electrons
C. Loss ofneutrons
D. Nuclear change
|
| 3 | The more positive the standard reduction potential |
A. The stronger the reducing agent
B. The weaker the oxidizing agent
C. The stronger the oxidizing agent
D. No effect
|
| 4 | A salt bridge is usually made from |
A. Metallic wires
B. Porous glass
C. Inert salt solution in agar agar
D. Hydrochloric acid
|
| 5 | Electrochemical equivalent is. |
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
|
| 6 | The reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
| 7 | Which of the following metals would most raadily displace hydrogen gas from dilute acids. |
A. Copper
B. Silver
C. Magnesium
D. Platinum
|
| 8 | If 1 Faraday of elecricity is passed the mass deposited equals. |
A. 1 gram equivalent
B. 1 gram
C. 1 mole
D. 1 atm
|
| 9 | Which of the following is not a use of electrochemistry |
A. Manufacture of explosives
B. Electroplating
C. Extractio of metals
D. Electrorefining
|
| 10 | Electrolysis is the process of |
A. Chemical energy into electrical
B. Electrical energy into chemical
C. Heat energy into mechanical
D. Mechanical energy into chemical
|
Test Questions