Electrochemistry

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Electrochemistry

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Electrochemistry

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Question # 1

The reducing agent in a redox reaction

Question # 2

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

Question # 3

The oxidation number of sulfur in H2SO4 is

Question # 4

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

Question # 5

Electrolysis of CuSO4  using copper eletrodes results in

Question # 6

In the Hall Heroult process, aluminum is obtained by 

Question # 7

The metal depostied at cathode during electolysis of NaCl is.

Question # 8

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

Question # 9

One Faraday is equl to 

Question # 10

The reaction at the cathode is alwyas

Question # 11

Down cell is used for extractio of.

Question # 12

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

Question # 13

Standard hydrogen electrode is assigned potential of.

Question # 14

Electroysis is used in the extration of

Question # 15

The principle of measuring DO by Wrinkler's Method is based on.

Question # 16

Which element has Eo = 0.00 V?

Question # 17

In electolysis, reduction always occurs at

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