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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 reducing agent in a redox reaction
Question # 2
In a galvanic cell, the anode is
Question # 3
The oxidation number of sulfur in H2SO4 is
Question # 4
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 5
The numebr of coulombs required to deposit 1 mole of Ag
Question # 6
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 7
Standard hydrogen electrode is assigned potential of.
Question # 8
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 # 9
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 10
Which of the followng elements cannot displace hydrogen from acid.
Question # 11
Electroyte in electroplating of silver
Question # 12
A salt bridge is usually made from
Question # 13
Electroysis is used in the extration of
Question # 14
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 15
The process of coating a metal with zinc is called.
Question # 16
Electrochemical sereis helps in predicting.
Question # 17
Electrochemical cells convert chemical energy into
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M Muhammad Saeed 24 - Sep - 2024 03 Min 27 Sec 12/17
FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | A Daniell cell produces electricity through |
A. Electrolysis
B. Radioactivity
C. Spontaneous redox reaction
D. Endothermic reaction
|
| 2 | What is the unit of cell potanetial. |
A. ampere
B. Volt
C. Ohm
D. Farad
|
| 3 | Electrochemical sereis helps in predicting. |
A. Rate of reaction
B. Type of bond
C. Dirction of redox reactions
D. Heat released
|
| 4 | 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
|
| 5 | Redox reactions always involve. |
A. Gain of protons
B. Transfer of electrons
C. Loss ofneutrons
D. Nuclear change
|
| 6 | 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
|
| 7 | 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.
|
| 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 | The process of coating a metal with zinc is called. |
A. Alloying
B. Galvanization
C. Electroefining
D. Electrplating
|
| 10 | 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
|
Test Questions