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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
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 2
Whcih metal will displace Cu from CuSO4 Solution.
Question # 3
The process of purifying copper using electricity is called.
Question # 4
In redox reactions, oxidizing agents are
Question # 5
Oxidation numebrof oxygen in H2O
Question # 6
A salt bridge is usually made from
Question # 7
Down cell is used for extractio of.
Question # 8
For a redox reaction to be spontaneous, Delga G should be
Question # 9
Redox reactions always involve.
Question # 10
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 11
The metal depostied at cathode during electolysis of NaCl is.
Question # 12
The reaction at the cathode is alwyas
Question # 13
The principle of measuring DO by Wrinkler's Method is based on.
Question # 14
Electrons in a galvanic cell flow from
Question # 15
One Faraday is equl to
Question # 16
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 17
Electroysis of brine produces.
Top Scorers Of Chapter 10 "Electrochemistry" MCQ`s Test
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have |
A. CuSO4 Solution
B. Zn SO4 Solution
C. Cu Ions
D. Zn Solid
|
| 2 | The salt brige allows tranfer of ........in Zn -Cu voltaic cell |
A. SO4 Ions
B. Zn2 ions
C. Both
D. None of thes
|
| 3 | Electrochemical equivalent is. |
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
|
| 4 | If Eo cell is +1.10 V , the reactio is |
A. Spontaneous
B. Non spontaneous
C. At equibrium
D. Endothermic only
|
| 5 | In an electrochecmial cell, which ion migrates to cathode through the salt bridge. |
A. Anions
B. Cations
C. Eletrons
D. Protons
|
| 6 | One Faraday is equl to |
A. 1 C
B. 96500 C
C. 1 J
D. 96500 J
|
| 7 | The numebr of coulombs required to deposit 1 mole of Ag |
A. 96500 C
B. 193000 C241250 C
C. 1 C
D. 241250 C
|
| 8 | What is the unit of cell potanetial. |
A. ampere
B. Volt
C. Ohm
D. Farad
|
| 9 | A more genative Eo value means the electrode |
A. Is a stong oxidizing agent
B. Is a strong reducing agent
C. Is neurtal
D. Has high electronegagtivity
|
| 10 | For a redox reaction to be spontaneous, Delga G should be |
A. Positive
B. Negative
C. Zero
D. Constant
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!