NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 90 - 95 of 1259

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Question number: 90

» Redox Reactions & Electrochemistry » Electrode Potentials

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MCQ▾

Question

In the following redox reaction, if the standard reduction potential of Iodine is . What

is the standard reduction potential of ?

The equilibrium constant for the reaction is at 298K

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 91

» Redox Reactions & Electrochemistry » Electrolytic and Metallic Conduction

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MCQ▾

Question

Degree of ionization does not depend on?

Choices

Choice (4)Response

a.

Nature of solvent

b.

Nature of electrolyte

c.

Dilution

d.

Molecular mass of the electrolyte

Question number: 92

» Redox Reactions & Electrochemistry » Electrolytic and Metallic Conduction

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MCQ▾

Question

An electric current of one amp is passed through acidulated water for 160 minutes and 50 seconds. What is the volume of the hydrogen liberated?

Choices

Choice (4)Response

a.

11.2 L

b.

2.24 L

c.

22.4 L

d.

1.12 L

Question number: 93

» Redox Reactions & Electrochemistry » Types of Electrodes

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MCQ▾

Question

The standard reduction potential of hydrogen is zero because?

Choices

Choice (4)Response

a.

Hydrogen is electronegative

b.

Hydrogen is easiest to oxidize

c.

It is assumed

d.

Hydrogen has single electron

Question number: 94

» Redox Reactions & Electrochemistry » Relation between Cell Potential and Gibbs' Energy Change

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MCQ▾

Question

The free energy change is related to emf of the cell E as?

Choices

Choice (4)Response

a.

∆ G =-nFE

b.

∆ G =-nFRTlogE

c.

E =-nF∆G

d.

Question number: 95

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

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MCQ▾

Question

What is the ratio of fusion mixture containing alumina, Cryolite ( Fluorspar , used in the electrolytic reduction of pure alumina?

Choices

Choice (4)Response

a.

20: 60: 20

b.

20: 20: 60

c.

60: 20: 20

d.

60: 20: 60

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