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 activity series of meals arranges metals in order of their.

Question # 2

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

Question # 3

Standard electrode potential is measured under

Question # 4

Electroplating involves.

Question # 5

The oxidation number of sulfur in H2SO4 is

Question # 6

Which of the following metals would most raadily displace hydrogen gas from dilute acids.

Question # 7

Which element has Eo = 0.00 V?

Question # 8

One Faraday is equl to 

Question # 9

Standard hydrogen electrode is assigned potential of.

Question # 10

Which of the followng elements cannot displace hydrogen from acid.

Question # 11

Electrolysis of CuSO4  using copper eletrodes results in

Question # 12

The reaction at the cathode is alwyas

Question # 13

Electroysis is used in the extration of

Question # 14

The cathode in an electrolytic cell is.

Question # 15

Which metal is the best reducing agent.

Question # 16

Cell potential is the differecne between 

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 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
2 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
3 Standard electrode potential is measured under
A. 100 oC and 1 atm
B. 0 oC and 1 M concentration 
C. 25 oC and 1 M concentration 
D. 100 oC and 1 M concentration 
4 A Daniell cell produces electricity through
A. Electrolysis
B. Radioactivity
C. Spontaneous redox reaction
D. Endothermic reaction
5 The principle of measuring DO by Wrinkler's Method is based on.
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
6 Electroysis requires.
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion 
7 Which of the followig will react with HCl to librerate H2 gas
A. Ag
B.  Mg
C. Au
D. Cu
8 Cell potential is the differecne between 
A. Temperature and pressure
B. Concentration of ions
C. Electrode potentials of chathode and anode
D. Mass of electrodes
9 Oxidation numebrof oxygen in H2O
A. 1
B. -2
C. 0
D. +1
10 In electolysis, reduction always occurs at
A. Anode
B. Cathode
C. Salt bridge
D. Electroyte

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