NEET Chemistry: Questions 424 - 429 of 677

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Question number: 424

» States of Matter » Gaseous State » Gas Laws - Boyle's Law, Charle's Law, Graham's Law of Diffusion

MCQ▾

Question

Deviations from ideal behavior will be more if the gas is subjected to?

Choices

Choice (4) Response

a.

High temperature and low pressure

b.

High temperature and high pressure

c.

Low temperature

d.

Low temperature and high pressure

Question number: 425

» Hydrocarbons » Alkanes » Preparation

MCQ▾

Question

RX+2NaXRDryetherRR(Alkane)+2NaX

Given reaction is:

Choices

Choice (4) Response

a.

Wolff-Kishner reduction

b.

Wurtz reaction

c.

Grignard reaction

d.

Sabatier Reaction

Question number: 426

» Hydrocarbons » Alkanes » Chemical Properties

MCQ▾

Question

When n-Hexane heated at 773K under high pressure in the presence of Cr2O3 there is the formation of

Choices

Choice (4) Response

a.

2-methyl pentane

b.

Benzene

c.

Toluene

d.

3-methyl pentane

Question number: 427

» Atomic Structure » De-Broglie's Relationship

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 1.54

Choices

Choice (4) Response

a.

63.3 volt

b.

43.3 volt

c.

53.3 volt

d.

33.3 volt

Question number: 428

» States of Matter » Gaseous State » Ideal Gas Equation

MCQ▾

Question

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

Choices

Choice (4) Response

a.

1.99calK1mol1

b.

9.8KcalK1mol1

c.

8.3JK1mol1

d.

0.0821litreatmK1mol1

Question number: 429

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

reduction of KMnO4

b.

oxidation of KMnO4

c.

oxidation and reduction of KMnO4

d.

All of the above

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