11th Class Chemistry Chapter 10 MCQ Test with Answer

MCQ's Test For Chapter 10 "Electrochemistry"

Try The MCQ's Test For Chapter 10 "Electrochemistry"

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Electrochemistry

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Question # 1

A positive value for the standared electrode potential of a metal ion metal half cell indicate that

Question # 2

Cell potential is the differecne between 

Question # 3

Which of the following metals would most raadily displace hydrogen gas from dilute acids.

Question # 4

A salt bridge is usually made from

Question # 5

The activity series of meals arranges metals in order of their.

Question # 6

In redox reactions, oxidizing agents are

Question # 7

In the Hall Heroult process, aluminum is obtained by 

Question # 8

The cathode in an electrolytic cell is.

Question # 9

Whcih metal will displace Cu from CuSO4 Solution.

Question # 10

If Eo cell is +1.10 V , the reactio is

Question # 11

Faradya's First Law states tass deposited is diretly proportional tohat m

Question # 12

Electrons in a galvanic cell flow from

Question # 13

If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have

Question # 14

One Faraday is equl to 

Question # 15

If 1 Faraday of elecricity is passed the mass deposited equals.

Question # 16

For a redox reaction to be spontaneous, Delga G should be

Question # 17

Electroysis requires.

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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's

Sr.# Question Answer
1 Electrochemical cells convert chemical energy into 
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
2 Standard hydrogen electrode is assigned potential of.
A. 1.0 V
B. 0.5 V
C. 0.0 V
D. -1.0 V
3 The experimental determination of Avogadro's numebr through electrolysis typically involves measuring 
A. The current and voltage applied
B. The mass of the substance deposited or liberated by a konown charge
C. The conductivity of the electrolytic solution
D. The temperature changes duirng electrolysis
4 Which of the followig will react with HCl to librerate H2 gas
A. Ag
B.  Mg
C. Au
D. Cu
5 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 
6 The numebr of coulombs required to deposit 1 mole of Ag
A. 96500 C
B. 193000 C241250 C
C. 1 C
D. 241250 C
7 Which of the followng elements cannot displace hydrogen from acid.
A. Zn
B. Cu
C. AI
D. Fe
8 The principle of measuring DO by Wrinkler's Method is based on.
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
9 Electroysis requires.
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion 
10 The process of purifying copper using electricity is called.
A. Electrolysis
B. Electrplating
C. Electrorefinging
D. Electrogavimetry

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