NEET (National Eligibility cum Medical Entrance Test) Chemistry: Questions 255 - 261 of 1145

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Question number: 255

» P-Block Elements Group 13 to 18 » Group 18 » Noble Gases

MCQ▾

Question

The gas with lowest boiling point is?

Choices

Choice (4) Response

a.

Neon

b.

Argon

c.

Helium

d.

Radon

Question number: 256

» P-Block Elements Group 13 to 18 » Group 16 » Introduction

MCQ▾

Question

Which of the following elements of group 16 has largest atomic radii?

Choices

Choice (4) Response

a.

Polonium

b.

Sulphur

c.

Oxygen

d.

Selenium

Question number: 257

» P-Block Elements Group 13 to 18 » Group 17 » Interhalogen Compounds

MCQ▾

Question

Inter halogen compounds are more reactive than the individual halogen because?

Choices

Choice (4) Response

a.

They carry more energy

b.

They are more ionic

c.

Two halogen s are present in place of one

d.

Their bond energy is less than the bond energy of the halogen molecule

Question number: 258

» Basic Concepts in Chemistry » Molar Mass

MCQ▾

Question

The equivalent weight of a metal is 36. What weight of the metal would give 9.322 gm of its chloride?

Choices

Choice (4) Response

a.

1.6935 gm

b.

4.6935 gm

c.

3.6935 gm

d.

2.6935 gm

Question number: 259

» P-Block Elements Group 13 to 18 » Group 18 » Noble Gases

MCQ▾

Question

In Ramsay and Rayleigh’s isolation of noble gases from air, the nitrogen of the air is finally converted into?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation and Equation

d.

Equation

Question number: 260

» P-Block Elements Group 13 to 18 » Group 18 » Introduction

MCQ▾

Question

The first noble gas compound obtained was?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

XeOF4

Question number: 261

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

MCQ▾

Question

What weight of Equation (mol. wt. =126) should be dissolved to prepare 250 ml of semi normal to be used as a reducing agent?

Choices

Choice (4) Response

a.

0.1575 gm

b.

0.63 gm

c.

0.875 gm

d.

0.126 gm

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