Redox Reactions & Electrochemistry-Electronic Concepts of Oxidation and Reduction (NEET Chemistry): Questions 1 - 6 of 6

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Question number: 1

» Redox Reactions & Electrochemistry » Electronic Concepts of Oxidation and Reduction

MCQ▾

Question

Which of the following solutions is used as an anti rusting solution?

Choices

Choice (4) Response
a.

Na2S

b.

Na3PO4

c.

Na3Bo3

d.

Na2SO4

Question number: 2

» Redox Reactions & Electrochemistry » Electronic Concepts of Oxidation and Reduction

MCQ▾

Question

How much charge is required to reduce one mole of MnO4 to Mn+2 ?

Choices

Choice (4) Response
a.

289500 coulomb

b.

433500 coulomb

c.

482500 coulomb

d.

296500 coulomb

Question number: 3

» Redox Reactions & Electrochemistry » Electronic Concepts of Oxidation and Reduction

MCQ▾

Question

How many coulombs are required for the oxidation of 1 mole of H2O2toO2 ?

Choices

Choice (4) Response
a.

19.3×102

b.

1.93×105

c.

9.65×104

d.

93000 C

Question number: 4

» Redox Reactions & Electrochemistry » Electronic Concepts of Oxidation and Reduction

MCQ▾

Question

How much electric charge is required to oxidize one mole of H2O to O2 ?

Choices

Choice (4) Response
a.

196000 coulomb

b.

193000 coulomb

c.

196500 coulomb

d.

285500 coulomb

Question number: 5

» Redox Reactions & Electrochemistry » Electronic Concepts of Oxidation and Reduction

MCQ▾

Question

The tendencies of the electrodes made up of Cu, Zn and Ag to release electrons when dipped in their respective salt solutions decrease in the order?

Choices

Choice (4) Response
a.

Zn>Cu>Ag

b.

C u > Z n > A g

c.

Z n > A g > C u

d.

Ag>Cu>Zn

Question number: 6

» Redox Reactions & Electrochemistry » Electronic Concepts of Oxidation and Reduction

MCQ▾

Question

For the extraction of silver from the solution containing sodium argento cyanide which of the following metal is added?

Choices

Choice (4) Response
a.

Zn

b.

Ca

c.

Al

d.

Mg

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