NEET Chemistry: Questions 417 - 422 of 1145

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Question number: 417

» Hydrogen » Preparation, Properties and Uses of Hydrogen

MCQ▾

Question

The correct order of thermal stability of hydrides is?

Choices

Choice (4) Response

a.

AsH3 < SbH3 < BiH3 < NH3 < PH3

b.

Equation

c.

Equation

d.

Equation

Question number: 418

» Hydrogen » Physical and Chemical Properties of Heavy Water

MCQ▾

Question

Which of the following order is correct regarding latent heat of fusion of H2O and D2O?

Choices

Choice (4) Response

a.

Equation 2 Equation 2 Equation

b.

Equation 2 Equation 2 Equation

c.

Equation 2 Equation 2 Equation

d.

Equation 2 Equation 2 Equation

Question number: 419

» Basic Concepts in Chemistry » Mole Concept

MCQ▾

Question

which of the following has the highest normality? (Consider each of the acid is 100 % ionized. )

Choices

Choice (4) Response

a.

Equation

b.

1 MPO3

c.

Equation

d.

Equation

Question number: 420

» Hydrocarbons » Alkanes » Introduction

MCQ▾

Question

Find out the molecular weight of Hexane?

Choices

Choice (4) Response

a.

100.54 Equation

b.

Equation

c.

70.54 Equation

d.

45.87 Equation

Question number: 421

» Hydrogen » Isotopes

MCQ▾

Question

Which of the following isotope of hydrogen has lowest density?

Choices

Choice (4) Response

a.

Protium

b.

Tritium

c.

Deuterium

d.

None of the above

Question number: 422

» States of Matter » Liquid State » Surface Tension

MCQ▾

Question

Which of the following liquid has maximum surface tension?

Choices

Choice (4) Response

a.

methyl alcohol

b.

ethyl alcohol

c.

Benzene

d.

water

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