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

The cathode in an electrolytic cell is.

Question # 3

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

Question # 4

Which metal is the best reducing agent.

Question # 5

Electroysis of brine produces.

Question # 6

Electroyte in electroplating of silver

Question # 7

If Eo cell is +1.10 V , the reactio is

Question # 8

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

Question # 9

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

Question # 10

The more positive the standard reduction potential

Question # 11

Which species is educed in the followig rection ? Zn + Cu --------- Zn

Question # 12

Standard hydrogen electrode is assigned potential of.

Question # 13

Electrolysis is the process of 

Question # 14

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

Question # 15

The process of purifying copper using electricity is called.

Question # 16

In redox reactions, oxidizing agents are

Question # 17

In the Hall Heroult process, aluminum is obtained by 

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

Sr.# Question Answer
1 Whcih metal will displace Cu from CuSO4 Solution.
A. Zn
B. Ag
C. Hg
D. Pb
2 The oxidation number of sulfur in H2SO4 is
A. +2
B. +4
C. +6
D. +8
3 Which of the following is not a use of electrochemistry
A. Manufacture of explosives
B. Electroplating
C. Extractio of metals
D. Electrorefining
4 Standard hydrogen electrode is assigned potential of.
A. 1.0 V
B. 0.5 V
C. 0.0 V
D. -1.0 V
5 In the Hall Heroult process, aluminum is obtained by 
A. Chemical reaction
B. Thermal decomposition 
C. Elelctrolysis of alumina
D. Roasting and leaching
6 Electrochemical sereis helps in predicting.
A. Rate of reaction
B. Type of bond
C. Dirction of redox reactions
D. Heat released
7 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
8 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
9 A Daniell cell produces electricity through
A. Electrolysis
B. Radioactivity
C. Spontaneous redox reaction
D. Endothermic reaction
10 The reaction at the cathode is alwyas
A. Oxidation 
B. Neutral
C. Reduction 
D. Ionization 

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