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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 reaction at the cathode is alwyas
Question # 2
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
Question # 3
The salt brige allows tranfer of ........in Zn -Cu voltaic cell
Question # 4
An Increase in temperature generally
Question # 5
Which component maintains elecrical neutrality in an electronchemical cell
Question # 6
Standard electrode potential is measured under
Question # 7
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 8
Which element has Eo = 0.00 V?
Question # 9
The cathode in an electrolytic cell is.
Question # 10
The numebr of coulombs required to deposit 1 mole of Ag
Question # 11
If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.
Question # 12
The principle of measuring DO by Wrinkler's Method is based on.
Question # 13
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 14
The reducing agent in a redox reaction
Question # 15
Cell potential is the differecne between
Question # 16
Electrolysis is the process of
Question # 17
Electrochemical cells convert chemical energy into
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The process of coating a metal with zinc is called. |
A. Alloying
B. Galvanization
C. Electroefining
D. Electrplating
|
| 2 | In an electrochecmial cell, which ion migrates to cathode through the salt bridge. |
A. Anions
B. Cations
C. Eletrons
D. Protons
|
| 3 | In electolysis, reduction always occurs at |
A. Anode
B. Cathode
C. Salt bridge
D. Electroyte
|
| 4 | Which of the followig will react with HCl to librerate H2 gas |
A. Ag
B. Mg
C. Au
D. Cu
|
| 5 | If Eo cell is +1.10 V , the reactio is |
A. Spontaneous
B. Non spontaneous
C. At equibrium
D. Endothermic only
|
| 6 | In electroplating the object to be plated is connected to |
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
|
| 7 | The reaction at the cathode is alwyas |
A. Oxidation
B. Neutral
C. Reduction
D. Ionization
|
| 8 | 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
|
| 9 | 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.
|
| 10 | Which element has Eo = 0.00 V? |
A. H+
B. H2
C. SHE
D. All of the above
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!