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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
The metal depostied at cathode during electolysis of NaCl is.
Question # 2
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 3
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 4
Oxidation numebrof oxygen in H2O
Question # 5
The numebr of coulombs required to deposit 1 mole of Ag
Question # 6
If Eo cell is +1.10 V , the reactio is
Question # 7
A more genative Eo value means the electrode
Question # 8
Electrolysis of CuSO4 using copper eletrodes results in
Question # 9
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
Question # 10
The cathode in an electrolytic cell is.
Question # 11
One Faraday is equl to
Question # 12
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 13
The principle of measuring DO by Wrinkler's Method is based on.
Question # 14
If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.
Question # 15
Which component maintains elecrical neutrality in an electronchemical cell
Question # 16
Whcih metal will displace Cu from CuSO4 Solution.
Question # 17
The anode is electrolysis of molten NaCl is
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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 | Which of the followig will react with HCl to librerate H2 gas |
A. Ag
B. Mg
C. Au
D. Cu
|
| 3 | Electrons in a galvanic cell flow from |
A. Anode to cathode
B. Cathode to anode
C. Salt bridge to cathode
D. Elecrolyte to anode
|
| 4 | The salt brige allows tranfer of ........in Zn -Cu voltaic cell |
A. SO4 Ions
B. Zn2 ions
C. Both
D. None of thes
|
| 5 | Electrochemical equivalent is. |
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
|
| 6 | Cell potential is the differecne between |
A. Temperature and pressure
B. Concentration of ions
C. Electrode potentials of chathode and anode
D. Mass of electrodes
|
| 7 | Standard electrode potential is measured under |
A. 100 oC and 1 atm
B. 0 oC and 1 M concentration
C. 25 oC and 1 M concentration
D. 100 oC and 1 M concentration
|
| 8 | The activity series of meals arranges metals in order of their. |
A. Atomic mass
B. Density
C. Ease of oxidation
D. Ease of reduction
|
| 9 | The cathode in an electrolytic cell is. |
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
|
| 10 | 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
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!