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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
An Increase in temperature generally
Question # 2
Electrolysis is the process of
Question # 3
Which of the followig will react with HCl to librerate H2 gas
Question # 4
In electolysis, reduction always occurs at
Question # 5
Standard hydrogen electrode is assigned potential of.
Question # 6
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 # 7
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 8
Electroplating involves.
Question # 9
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 10
In a galvanic cell, the anode is
Question # 11
The salt brige allows tranfer of ........in Zn -Cu voltaic cell
Question # 12
Whcih metal will displace Cu from CuSO4 Solution.
Question # 13
Which component maintains elecrical neutrality in an electronchemical cell
Question # 14
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 15
For a redox reaction to be spontaneous, Delga G should be
Question # 16
The metal depostied at cathode during electolysis of NaCl is.
Question # 17
Oxidation numebrof oxygen in H2O
Top Scorers Of Chapter 10 "Electrochemistry" MCQ`s Test
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Z Zahra Batool 27 - Jul - 2024 01 Min 47 Sec 12/17
FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | In a galvanic cell, the anode is |
A. Negaive and site of oxidation
B. Postive and site of oxidation
C. Negative and site of reduction
D. Postive and site of reduction
|
| 2 | The process of purifying copper using electricity is called. |
A. Electrolysis
B. Electrplating
C. Electrorefinging
D. Electrogavimetry
|
| 3 | Electrochemical sereis helps in predicting. |
A. Rate of reaction
B. Type of bond
C. Dirction of redox reactions
D. Heat released
|
| 4 | Electroysis requires. |
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion
|
| 5 | 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
|
| 6 | In electroplating the object to be plated is connected to |
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
|
| 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 | Which of the following metals would most raadily displace hydrogen gas from dilute acids. |
A. Copper
B. Silver
C. Magnesium
D. Platinum
|
| 9 | Oxidation numebrof oxygen in H2O |
A. 1
B. -2
C. 0
D. +1
|
| 10 | Electrolysis of CuSO4 using copper eletrodes results in |
A. Increase in eletolyte concentration
B. Decrease in Cu2+ concentration
C. No change in electrolyte composition
D. Formation of new compound
|
Test Questions