NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 255 - 261 of 1258

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Question number: 255

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

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MCQ▾

Question

The gas with lowest boiling point is?

Choices

Choice (4) Response

a.

Radon

b.

Argon

c.

Neon

d.

Helium

Question number: 256

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

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

Selenium

b.

Sulphur

c.

Oxygen

d.

Polonium

Question number: 257

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

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

They are more ionic

b.

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

c.

They carry more energy

d.

Two halogen s are present in place of one

Question number: 258

» Basic Concepts in Chemistry » Molar Mass

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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.

3.6935 gm

b.

4.6935 gm

c.

2.6935 gm

d.

1.6935 gm

Question number: 259

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

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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.

b.

c.

and

d.

Question number: 260

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

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MCQ▾

Question

The first noble gas compound obtained was?

Choices

Choice (4) Response

a.

XeOF4

b.

c.

d.

Question number: 261

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

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MCQ▾

Question

What weight of (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.

0.126 gm

b.

0.63 gm

c.

0.875 gm

d.

0.1575 gm