NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 425 - 431 of 1259

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Question number: 425

» Hydrocarbons » Alkanes » Preparation

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MCQ▾

Question

Given reaction is:

Choices

Choice (4)Response

a.

Grignard reaction

b.

Sabatier Reaction

c.

Wolff-Kishner reduction

d.

Wurtz reaction

Question number: 426

» Hydrocarbons » Alkanes » Chemical Properties

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MCQ▾

Question

When n-Hexane heated at 773K under high pressure in the presence of there is the formation of

Choices

Choice (4)Response

a.

3-methyl pentane

b.

Benzene

c.

2-methyl pentane

d.

Toluene

Question number: 427

» Atomic Structure » De-Broglie's Relationship

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MCQ▾

Question

An electron beam can undergo diffraction by crystals. Through what potential should a beam of electrons be accelerated so that its wavelength becomes equal to

Choices

Choice (4)Response

a.

33.3 volt

b.

63.3 volt

c.

43.3 volt

d.

53.3 volt

Question number: 428

» States of Matter » Gaseous State » Ideal Gas Equation

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MCQ▾

Question

Which one of the following is not the correct value of R?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 429

» Hydrogen » Structure, Preparation, Reactions and Uses of Hydrogen Peroxide

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MCQ▾

Question

Decolonization of acidified potassium permanganate occurs when hydrogen peroxide is added to it. This is due to?

Choices

Choice (4)Response

a.

oxidation and reduction of

b.

oxidation of

c.

reduction of

d.

None of the above

Question number: 430

» Atomic Structure » Hund's Rule

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MCQ▾

Question

The total spin resulting from a d5 configuration is –

Choices

Choice (4)Response

a.

b.

c.

1

d.

2

Question number: 431

» States of Matter » Gaseous State » Kinetic Theory of Gases

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MCQ▾

Question

If the temperature of 1 mole of a gas is increased by 50 ℃, calculate the change in kinetic energy of the system?

Choices

Choice (4)Response

a.

767.3 J

b.

623.5 J

c.

6230 J

d.

62.33 J

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