NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1245 - 1249 of 1258

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Question number: 1245

» Redox Reactions & Electrochemistry » Electrochemical Cells

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MCQ▾

Question

Which of the following condition will increase the voltage of the cell, represented by the equation?

Choices

Choice (4) Response

a.

Increase in the dimension of silver electrode

b.

Increase in the concentration of ion

c.

Increase in the dimension of copper electrode

d.

Increase in the concentration of ion

Question number: 1246

» Redox Reactions & Electrochemistry » Electrode Potentials

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MCQ▾

Question

Standard reduction electrode potentials of three metals A, B and C are respectively and . The reducing power & of these metals are

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1247

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

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MCQ▾

Question

Which one is not called a anode reaction from the following?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1248

» Basic Concepts in Chemistry » Matter and Its Nature

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Appeared in Year: 2013

MCQ▾

Question

Nitrobenzene on reaction with conc. HNO3/H2SO4 at forms which one of the following products? (AIPMT)

Choices

Choice (4) Response

a.

1,2, 4 − Trinitrobenzene

b.

1,4−Dinitrobenzene

c.

1,3−Dinitrobenzene

d.

1,2−Dinitrobenzene

Question number: 1249

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

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Assertion-Reason▾

Question

Assertion (Ꭺ)

for this cell emf is if

Reason (Ꭱ)

Emf of the cell

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Ꭺ is true but Ꭱ is false