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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
If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.
Question # 2
Which of the followig will react with HCl to librerate H2 gas
Question # 3
In electroplating the object to be plated is connected to
Question # 4
The reducing agent in a redox reaction
Question # 5
Down cell is used for extractio of.
Question # 6
Electroysis of brine produces.
Question # 7
The experimental determination of Avogadro's numebr through electrolysis typically involves measuring
Question # 8
A more genative Eo value means the electrode
Question # 9
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 10
Which component maintains elecrical neutrality in an electronchemical cell
Question # 11
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 12
Electrochemical equivalent is.
Question # 13
Whcih metal will displace Cu from CuSO4 Solution.
Question # 14
Redox reactions always involve.
Question # 15
Cell potential is the differecne between
Question # 16
The principle of measuring DO by Wrinkler's Method is based on.
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 | 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
|
| 2 | Oxidation numebrof oxygen in H2O |
A. 1
B. -2
C. 0
D. +1
|
| 3 | Which of the followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 4 | 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.
|
| 5 | Electroysis is used in the extration of |
A. Silver
B. Gold
C. Aluminum
D. Mercury
|
| 6 | Which of the following metals would most raadily displace hydrogen gas from dilute acids. |
A. Copper
B. Silver
C. Magnesium
D. Platinum
|
| 7 | Which metal is the best reducing agent. |
A. Cu
B. K
C. Zn
D. Fe
|
| 8 | Electrochemical equivalent is. |
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
|
| 9 | The numebr of coulombs required to deposit 1 mole of Ag |
A. 96500 C
B. 193000 C241250 C
C. 1 C
D. 241250 C
|
| 10 | Standard hydrogen electrode is assigned potential of. |
A. 1.0 V
B. 0.5 V
C. 0.0 V
D. -1.0 V
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!