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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
Electrons in a galvanic cell flow from
Question # 2
If Eo cell is +1.10 V , the reactio is
Question # 3
In redox reactions, oxidizing agents are
Question # 4
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 5
The more positive the standard reduction potential
Question # 6
The principle of measuring DO by Wrinkler's Method is based on.
Question # 7
The reducing agent in a redox reaction
Question # 8
Electrolysis of CuSO4 using copper eletrodes results in
Question # 9
In electolysis, reduction always occurs at
Question # 10
Electroysis requires.
Question # 11
Electrochemical cells convert chemical energy into
Question # 12
Down cell is used for extractio of.
Question # 13
In electroplating the object to be plated is connected to
Question # 14
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 15
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 # 16
For a redox reaction to be spontaneous, Delga G should be
Question # 17
The reaction at the cathode is alwyas
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The numebr of coulombs required to deposit 1 mole of Ag |
A. 96500 C
B. 193000 C241250 C
C. 1 C
D. 241250 C
|
| 2 | If 1 Faraday of elecricity is passed the mass deposited equals. |
A. 1 gram equivalent
B. 1 gram
C. 1 mole
D. 1 atm
|
| 3 | Electrochemical sereis helps in predicting. |
A. Rate of reaction
B. Type of bond
C. Dirction of redox reactions
D. Heat released
|
| 4 | Electroysis is used in the extration of |
A. Silver
B. Gold
C. Aluminum
D. Mercury
|
| 5 | The anode is electrolysis of molten NaCl is |
A. Na+
B. Cl-
C. Na
D. H-
|
| 6 | In electroplating the object to be plated is connected to |
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
|
| 7 | The cathode in an electrolytic cell is. |
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
|
| 8 | 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
|
| 9 | Electrochemical equivalent is. |
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
|
| 10 | The process of coating a metal with zinc is called. |
A. Alloying
B. Galvanization
C. Electroefining
D. Electrplating
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!