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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
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 2
Which element has Eo = 0.00 V?
Question # 3
The experimental determination of Avogadro's numebr through electrolysis typically involves measuring
Question # 4
The cathode in an electrolytic cell is.
Question # 5
Which of the following is not a use of electrochemistry
Question # 6
The metal depostied at cathode during electolysis of NaCl is.
Question # 7
In electolysis, reduction always occurs at
Question # 8
The process of coating a metal with zinc is called.
Question # 9
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 10
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 11
The numebr of coulombs required to deposit 1 mole of Ag
Question # 12
A salt bridge is usually made from
Question # 13
Standard electrode potential is measured under
Question # 14
For a redox reaction to be spontaneous, Delga G should be
Question # 15
Electrochemical equivalent is.
Question # 16
If Eo cell is +1.10 V , the reactio is
Question # 17
Whcih metal will displace Cu from CuSO4 Solution.
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 | Electroyte in electroplating of silver |
A. AgNo3
B. NaCl
C. CuSO4
D. HNO3
|
| 2 | Faradya's First Law states tass deposited is diretly proportional tohat m |
A. Time
B. Voltage
C. Resistance
D. Quantity of electricity passed
|
| 3 | The reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
| 4 | 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. |
A. Mass numebr of the ion
B. One mole of electrons being transferred
C. Avogadro's nmber of ions being discharged
D. Standrd electrode potentil of the metal iion
|
| 5 | The numebr of coulombs required to deposit 1 mole of Ag |
A. 96500 C
B. 193000 C241250 C
C. 1 C
D. 241250 C
|
| 6 | The anode is electrolysis of molten NaCl is |
A. Na+
B. Cl-
C. Na
D. H-
|
| 7 | The salt brige allows tranfer of ........in Zn -Cu voltaic cell |
A. SO4 Ions
B. Zn2 ions
C. Both
D. None of thes
|
| 8 | Electrons in a galvanic cell flow from |
A. Anode to cathode
B. Cathode to anode
C. Salt bridge to cathode
D. Elecrolyte to anode
|
| 9 | Electrochemical sereis helps in predicting. |
A. Rate of reaction
B. Type of bond
C. Dirction of redox reactions
D. Heat released
|
| 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