NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 1247 - 1252 of 1258

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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

Question number: 1250

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

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MCQ▾

Question

Which one is/are correct among the followings? Given, the half-cell emf s

(1) Disproportionate.

(2) and comproportionates (reverse of disproportionation) into

(3) is positive.

(4) All of these

Choices

Choice (4)Response

a.

1 and 2

b.

2 and 4

c.

1,2 and 3

d.

1 and 3

Question number: 1251

» Redox Reactions & Electrochemistry » Electrode Potentials

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MCQ▾

Question

The for half cells and are and respectively. Then

Choices

Choice (4)Response

a.

oxidises

b.

oxidises

c.

reduces

d.

oxidises

Question number: 1252

» Basic Concepts in Chemistry » Matter and Its Nature

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Appeared in Year: 2013

MCQ▾

Question

Reaction by which Benzaldehyde cannot be prepared: (AIPMT)

Choices

Choice (4)Response

a.

Image shows Benzaldehyde Reaction For Choice A

Image Shows Benzaldehyde Reaction for Choice A

Image shows Benzaldehyde Reaction For Choice A

b.

Image shows Benzaldehyde Reaction For Choice B

Image Shows Benzaldehyde Reaction for Choice B

Image shows Benzaldehyde Reaction For Choice B

c.

Image shows Benzaldehyde Reaction For Choice C

Image Shows Benzaldehyde Reaction for Choice C

Image shows Benzaldehyde Reaction For Choice C

d.

Image shows Benzaldehyde Reaction For Choice D

Image Shows Benzaldehyde Reaction for Choice D

Image shows Benzaldehyde Reaction For Choice D

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