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

Which of the followig will react with HCl to librerate H2 gas

Question # 2

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

Question # 3

Electroplating involves.

Question # 4

The numebr of coulombs required to deposit 1 mole of Ag

Question # 5

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

Question # 6

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

Question # 7

Electroysis of brine produces.

Question # 8

Which of the following is not a use of electrochemistry

Question # 9

The activity series of meals arranges metals in order of their.

Question # 10

One Faraday is equl to 

Question # 11

The oxidation number of sulfur in H2SO4 is

Question # 12

If 1 Faraday of elecricity is passed the mass deposited equals.

Question # 13

Electrolysis of CuSO4  using copper eletrodes results in

Question # 14

Electroysis requires.

Question # 15

Electroysis is used in the extration of

Question # 16

Standard electrode potential is measured under

Question # 17

In redox reactions, oxidizing agents are

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

Sr.# Question Answer
1 Which of the followng elements cannot displace hydrogen from acid.
A. Zn
B. Cu
C. AI
D. Fe
2 The anode is electrolysis of molten NaCl is
A. Na+
B. Cl-
C. Na
D. H-
3 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 
4 In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
A. Anions
B. Cations
C. Eletrons
D. Protons
5 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
6 Which of the followig will react with HCl to librerate H2 gas
A. Ag
B.  Mg
C. Au
D. Cu
7 The principle of measuring DO by Wrinkler's Method is based on.
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
8 Electroysis requires.
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion 
9 If Eo cell is +1.10 V , the reactio is
A. Spontaneous
B. Non spontaneous
C. At equibrium
D. Endothermic only
10 A Daniell cell produces electricity through
A. Electrolysis
B. Radioactivity
C. Spontaneous redox reaction
D. Endothermic reaction

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