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 electroplating the object to be plated is connected to

Question # 2

A Daniell cell produces electricity through

Question # 3

In an electrochecmial cell, which ion migrates to cathode through the salt bridge.

Question # 4

If Eo cell is +1.10 V , the reactio is

Question # 5

The cathode in an electrolytic cell is.

Question # 6

The more positive the standard reduction potential

Question # 7

If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have

Question # 8

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

Question # 9

Whcih metal will displace Cu from CuSO4 Solution.

Question # 10

In the Hall Heroult process, aluminum is obtained by 

Question # 11

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

Question # 12

One Faraday is equl to 

Question # 13

The reaction at the cathode is alwyas

Question # 14

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

Question # 15

Electrochemical sereis helps in predicting.

Question # 16

Redox reactions always involve.

Question # 17

Electroyte in electroplating of silver

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

Sr.# Question Answer
1 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
2 The principle of measuring DO by Wrinkler's Method is based on.
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
3 In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
A. Anions
B. Cations
C. Eletrons
D. Protons
4 The salt brige allows tranfer of ........in Zn -Cu voltaic cell
A. SO4 Ions
B. Zn2 ions
C. Both 
D. None of thes
5 Which of the followig will react with HCl to librerate H2 gas
A. Ag
B.  Mg
C. Au
D. Cu
6 In electolysis, reduction always occurs at
A. Anode
B. Cathode
C. Salt bridge
D. Electroyte
7 Which species is educed in the followig rection ? Zn + Cu --------- Zn
A. Cu2+
B. Zn
C. Cu
D. Zn3+
8 The reaction at the cathode is alwyas
A. Oxidation 
B. Neutral
C. Reduction 
D. Ionization 
9 Which metal is the best reducing agent.
A. Cu
B. K
C. Zn
D. Fe
10 Which component maintains elecrical neutrality in an electronchemical cell
A. Salt bridge
B. Voltmeter
C. Electrolyte
D. Electrodes

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