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 redox reactions, oxidizing agents are

Question # 2

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

Question # 3

Redox reactions always involve.

Question # 4

Electroyte in electroplating of silver

Question # 5

Electroysis requires.

Question # 6

A more genative Eo value means the electrode

Question # 7

Down cell is used for extractio of.

Question # 8

The process of coating a metal with zinc is called.

Question # 9

The more positive the standard reduction potential

Question # 10

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

Question # 11

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

Question # 12

Electrons in a galvanic cell flow from

Question # 13

Standard electrode potential is measured under

Question # 14

The reaction at the cathode is alwyas

Question # 15

The cathode in an electrolytic cell is.

Question # 16

Electrochemical cells convert chemical energy into 

Question # 17

Electroysis of brine produces.

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

Sr.# Question Answer
1 Standard hydrogen electrode is assigned potential of.
A. 1.0 V
B. 0.5 V
C. 0.0 V
D. -1.0 V
2 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
3 In a galvanic cell, the anode is
A. Negaive and site of oxidation 
B. Postive and site of oxidation 
C. Negative and site of reduction 
D. Postive and site of reduction
4 The principle of measuring DO by Wrinkler's Method is based on.
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
5 If 1 Faraday of elecricity is passed the mass deposited equals.
A. 1 gram equivalent
B. 1 gram
C. 1 mole
D. 1 atm
6 Electroysis is used in the extration of
A. Silver
B. Gold
C. Aluminum
D. Mercury
7 Electrolysis of CuSO4  using copper eletrodes results in
A. Increase in eletolyte concentration 
B. Decrease in Cu2+ concentration 
C. No change in electrolyte composition
D. Formation of new compound
8 For a redox reaction to be spontaneous, Delga G should be
A. Positive
B. Negative
C. Zero
D. Constant
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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