Redox Reactions & Electrochemistry-Electronic Concepts of Oxidation and Reduction (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 8 of 12

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Question number: 1

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

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Question

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

Choices

Choice (4)Response

a.

b.

c.

d.

Na3PO4

Question number: 2

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

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MCQ▾

Question

How much charge is required to reduce one mole of to ?

Choices

Choice (4)Response

a.

289500 coulomb

b.

482500 coulomb

c.

433500 coulomb

d.

296500 coulomb

Question number: 3

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

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

b.

93000 C

c.

d.

Question number: 4

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

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

193000 coulomb

b.

196500 coulomb

c.

285500 coulomb

d.

196000 coulomb

Question number: 5

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

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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.

C u > Z n > A g

b.

c.

Z n > A g > C u

d.

Question number: 6

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

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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.

Al

b.

Ca

c.

Mg

d.

Zn

Question number: 7

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

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MCQ▾

Question

,

Strongest reducing agent is?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 8

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

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MCQ▾

Question

Adding powdered lead and iron to a solution that is in both and Fe2+ ions, would result a reaction, in which

Choices

Choice (4)Response

a.

Concentration of both Pb2 + and Fe2 + ions increases

b.

More lead and Fe2 + ions are formed

c.

There is no net change

d.

More iron and Pb2 + ions are formed

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