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 element has Eo = 0.00 V?

Question # 2

In redox reactions, oxidizing agents are

Question # 3

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

Question # 4

Electrochemical sereis helps in predicting.

Question # 5

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

Question # 6

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

Question # 7

A salt bridge is usually made from

Question # 8

What is the unit of cell potanetial.

Question # 9

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

Question # 10

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

Question # 11

Cell potential is the differecne between 

Question # 12

Which of the followng elements cannot displace hydrogen from acid.

Question # 13

The reducing agent in a redox reaction

Question # 14

Electroysis requires.

Question # 15

If Eo cell is +1.10 V , the reactio is

Question # 16

Whcih metal will displace Cu from CuSO4 Solution.

Question # 17

Electroplating involves.

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

Sr.# Question Answer
1 Electroysis is used in the extration of
A. Silver
B. Gold
C. Aluminum
D. Mercury
2 Which species is educed in the followig rection ? Zn + Cu --------- Zn
A. Cu2+
B. Zn
C. Cu
D. Zn3+
3 Electroyte in electroplating of silver
A. AgNo3
B. NaCl
C. CuSO4
D. HNO3
4 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
5 Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
A. Decreasing ghe concentration of the electrolyte
B. Incressing the distance between the electrodes
C. Decressing the surface area of the electrolytic cell
D. Increasing the current passed though the electroytic cell
6 Electrochemical cells convert chemical energy into 
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
7 A positive value for the standared electrode potential of a metal ion metal half cell indicate that
A. The metal is stong reducing agent
B. The metal ion is redily oxidized
C. The metal ion is redily reduced
D. The metal will readily displace hydrogen from dilute acids.
8 The cathode in an electrolytic cell is.
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
9 Which of the followig will react with HCl to librerate H2 gas
A. Ag
B.  Mg
C. Au
D. Cu
10 Which of the following is not a use of electrochemistry
A. Manufacture of explosives
B. Electroplating
C. Extractio of metals
D. Electrorefining

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