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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
Standard electrode potential is measured under
Question # 2
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 3
The anode is electrolysis of molten NaCl is
Question # 4
Electroyte in electroplating of silver
Question # 5
Electrochemical equivalent is.
Question # 6
The numebr of coulombs required to deposit 1 mole of Ag
Question # 7
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 8
In electroplating the object to be plated is connected to
Question # 9
The process of coating a metal with zinc is called.
Question # 10
The principle of measuring DO by Wrinkler's Method is based on.
Question # 11
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 12
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 # 13
For a redox reaction to be spontaneous, Delga G should be
Question # 14
The reaction at the cathode is alwyas
Question # 15
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 16
Electroysis requires.
Question # 17
The reducing agent in a redox reaction
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Whcih metal will displace Cu from CuSO4 Solution. |
A. Zn
B. Ag
C. Hg
D. Pb
|
| 2 | Faradya's First Law states tass deposited is diretly proportional tohat m |
A. Time
B. Voltage
C. Resistance
D. Quantity of electricity passed
|
| 3 | If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage. |
A. Decrease slowly
B. Decrease repidly
C. Does not change
D. Drope to zero
|
| 4 | Which of the followig will react with HCl to librerate H2 gas |
A. Ag
B. Mg
C. Au
D. Cu
|
| 5 | The principle of measuring DO by Wrinkler's Method is based on. |
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
|
| 6 | 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
|
| 7 | Which of the followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 8 | The salt brige allows tranfer of ........in Zn -Cu voltaic cell |
A. SO4 Ions
B. Zn2 ions
C. Both
D. None of thes
|
| 9 | The experimental determination of Avogadro's numebr through electrolysis typically involves measuring |
A. The current and voltage applied
B. The mass of the substance deposited or liberated by a konown charge
C. The conductivity of the electrolytic solution
D. The temperature changes duirng electrolysis
|
| 10 | Redox reactions always involve. |
A. Gain of protons
B. Transfer of electrons
C. Loss ofneutrons
D. Nuclear change
|
Test Questions