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

The oxidation number of sulfur in H2SO4 is

Question # 2

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

Question # 3

Electrochemical cells convert chemical energy into 

Question # 4

The cathode in an electrolytic cell is.

Question # 5

One Faraday is equl to 

Question # 6

Whcih metal will displace Cu from CuSO4 Solution.

Question # 7

In a galvanic cell, the anode is

Question # 8

In electroplating the object to be plated is connected to

Question # 9

Electroysis is used in the extration of

Question # 10

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

Question # 11

What is the unit of cell potanetial.

Question # 12

Electroyte in electroplating of silver

Question # 13

Electrolysis is the process of 

Question # 14

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

Question # 15

If Eo cell is +1.10 V , the reactio is

Question # 16

In the Hall Heroult process, aluminum is obtained by 

Question # 17

Electroysis requires.

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

Sr.# Question Answer
1 A more genative Eo value means the electrode
A. Is a stong oxidizing agent
B. Is a strong reducing agent
C. Is neurtal
D. Has high electronegagtivity 
2 Oxidation numebrof oxygen in H2O
A. 1
B. -2
C. 0
D. +1
3 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.
4 Whcih metal will displace Cu from CuSO4 Solution.
A. Zn
B. Ag
C. Hg
D. Pb
5 Faradya's First Law states tass deposited is diretly proportional tohat m
A. Time
B. Voltage
C. Resistance
D. Quantity of electricity passed
6 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
7 For a redox reaction to be spontaneous, Delga G should be
A. Positive
B. Negative
C. Zero
D. Constant
8 Electrochemical cells convert chemical energy into 
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
9 The reducing agent in a redox reaction
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
10 Electroysis requires.
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion 

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