NEET Chemistry: Questions 59 - 65 of 677

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Question number: 59

» Redox Reactions & Electrochemistry » Electrolysis (Faraday's First and Second Laws)

MCQ▾

Question

When one coulomb of electricity is passed through an electrolytic solution, the mass deposited on the electrode is equal to?

Choices

Choice (4) Response
a.

Equivalent weight

b.

One gram

c.

Molecular weight

d.

Electrochemical equivalent

Question number: 60

» Redox Reactions & Electrochemistry » Nernst Equation and Its Applications

MCQ▾

Question

Calculate the emf of the following concentration of cell at 25°C ?

Ag(S)AgNO3(0.01M)AgNO3(0.05M)Ag(s)

Choices

Choice (4) Response
a.

-0.414 V

b.

0.828 V

c.

0.414 V

d.

0.0414 V

Question number: 61

» Redox Reactions & Electrochemistry » Electrode Potentials

MCQ▾

Question

More electronegative elements have?

Choices

Choice (4) Response
a.

Positive reduction potential

b.

Tendency to loss electrons

c.

Negative reduction potential

d.

Positive oxidation state

Question number: 62

» Redox Reactions & Electrochemistry » Electrochemical Cells

MCQ▾

Question

The value of equilibrium constant for a feasible cell reaction is?

Choices

Choice (4) Response
a.

> 1

b.

< 1

c.

1

d.

0

Question number: 63

» Redox Reactions & Electrochemistry » Redox Reactions

MCQ▾

Question

Which metal is used in the galvanization to coat iron surface?

Choices

Choice (4) Response
a.

Zinc

b.

Magnesium

c.

Tin

d.

Silver

Question number: 64

» 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: 65

» 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

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