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

In a galvanic cell, the anode is

Question # 2

Electroyte in electroplating of silver

Question # 3

The experimental determination of Avogadro's numebr through electrolysis typically involves measuring 

Question # 4

Which element has Eo = 0.00 V?

Question # 5

Which of the following changes wold typically lead to an incresse in he rate of electrolysis.

Question # 6

In redox reactions, oxidizing agents are

Question # 7

Electroplating involves.

Question # 8

What is the unit of cell potanetial.

Question # 9

Electroysis requires.

Question # 10

Cell potential is the differecne between 

Question # 11

Redox reactions always involve.

Question # 12

If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.

Question # 13

In electroplating the object to be plated is connected to

Question # 14

The numebr of coulombs required to deposit 1 mole of Ag

Question # 15

If Eo cell is +1.10 V , the reactio is

Question # 16

The cathode in an electrolytic cell is.

Question # 17

Which metal is the best reducing agent.

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

Sr.# Question Answer
1 Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
A. Decreasing ghe concentration of the electrolyte
B. Incressing the distance between the electrodes
C. Decressing the surface area of the electrolytic cell
D. Increasing the current passed though the electroytic cell
2 A salt bridge is usually made from
A. Metallic wires
B. Porous glass
C. Inert salt solution in agar agar
D. Hydrochloric acid
3 Which of the followng elements cannot displace hydrogen from acid.
A. Zn
B. Cu
C. AI
D. Fe
4 Which species is educed in the followig rection ? Zn + Cu --------- Zn
A. Cu2+
B. Zn
C. Cu
D. Zn3+
5 Electrochemical cells convert chemical energy into 
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
6 In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
A. Anions
B. Cations
C. Eletrons
D. Protons
7 The cathode in an electrolytic cell is.
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
8 Which of the followig will react with HCl to librerate H2 gas
A. Ag
B.  Mg
C. Au
D. Cu
9 In electroplating the object to be plated is connected to
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
10 One Faraday is equl to 
A. 1 C
B. 96500 C
C. 1 J
D. 96500 J

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