NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 94 - 99 of 1258

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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

Question number: 96

» Redox Reactions & Electrochemistry » Oxidation Number

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MCQ▾

Question

A current of 2 ampere when passed for 5 hours through a molten salt deposits 22.2 g of metal of atomic mass 177. The oxidation state of the metal in metal salt is?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 97

» Redox Reactions & Electrochemistry » Half - Cell and Cell Reactions

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MCQ▾

Question

The half cell reaction is the one that?

Choices

Choice (4) Response

a.

Goes half way to completion

b.

Involves half a mole of electrolyte

c.

takes place at one electrode

d.

Consumes half a unit of electricity

Question number: 98

» Redox Reactions & Electrochemistry » Conductance in Electrolytic Solutions

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MCQ▾

Question

On increasing the dilution, the equivalent conductance?

Choices

Choice (4) Response

a.

Remains constant

b.

Decreases

c.

Increases

d.

None of the above

Question number: 99

» Redox Reactions & Electrochemistry » Electrochemical Cells

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MCQ▾

Question

Arrange the following in increasing order of their discharge in electrochemical cells?

Choices

Choice (4) Response

a.

b.

c.

d.