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

If Eo cell is +1.10 V , the reactio is

Question # 2

In redox reactions, oxidizing agents are

Question # 3

In a galvanic cell, the anode is

Question # 4

The anode is electrolysis of molten NaCl is

Question # 5

In electolysis, reduction always occurs at

Question # 6

The reducing agent in a redox reaction

Question # 7

The salt brige allows tranfer of ........in Zn -Cu voltaic cell

Question # 8

Which element has Eo = 0.00 V?

Question # 9

Electrochemical equivalent is.

Question # 10

Electrolysis is the process of 

Question # 11

Electrolysis of CuSO4  using copper eletrodes results in

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

A salt bridge is usually made from

Question # 16

Electroysis requires.

Question # 17

The more positive the standard reduction potential

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

Sr.# Question Answer
1 The process of purifying copper using electricity is called.
A. Electrolysis
B. Electrplating
C. Electrorefinging
D. Electrogavimetry
2 Electroysis requires.
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion 
3 In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
A. Anions
B. Cations
C. Eletrons
D. Protons
4 The more positive the standard reduction potential
A. The stronger the reducing agent
B. The weaker the oxidizing agent
C. The stronger the oxidizing agent
D. No effect
5 Electrochemical cells convert chemical energy into 
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
6 The reducing agent in a redox reaction
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
7 Whcih metal will displace Cu from CuSO4 Solution.
A. Zn
B. Ag
C. Hg
D. Pb
8 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
9 For a redox reaction to be spontaneous, Delga G should be
A. Positive
B. Negative
C. Zero
D. Constant
10 Down cell is used for extractio of.
A. Zinc
B. Iron
C. Sodium
D. Aluminum

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