NEET (National Eligibility cum Medical Entrance Test) Chemistry: Questions 321 - 326 of 1145

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Question number: 321

» Basic Concepts in Chemistry » Molar Mass

MCQ▾

Question

for a reaction:

Equation

The correct statements is/are

(1) The equivalent mass of Equation is 41.

(2) Equation is the acid salt

(3) Equation is normal salt

(4) 1 mole of H3PO3 is completely neutralized by 1.5 moles of Equation

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1 and 2 are correct

b.

2 and 4 are correct

c.

1, 2 and 3 are correct

d.

1 and 3 are correct

Question number: 322

» P-Block Elements Group 13 to 18 » Group 17 » Introduction

MCQ▾

Question

As the atomic number of the halogens increases, the halogens?

Choices

Choice (4) Response

a.

lose the outermost electrons less readily

b.

become lighter in colour

c.

become less dense

d.

gain electrons less readily

Question number: 323

» Atomic Structure » Rules for Filling Electrons in Orbitals

MCQ▾

Question

Electron density in an orbital is correctly described by –

Choices

Choice (4) Response

a.

ψ

b.

Ψ 2 / ψ

c.

ψ2

d.

None of the above

Question number: 324

» Atomic Structure » De-Broglie's Relationship

MCQ▾

Question

If a particle have momentum of p = 1.60Equation what will be the de Broglie wavelength (m) of that particle?

Choices

Choice (4) Response

a.

478nm

b.

520nm

c.

414 nm

d.

500nm

Question number: 325

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

MCQ▾

Question

Which of the following element cannot form clathrate compounds with quinol?

Choices

Choice (4) Response

a.

Ar

b.

Rn

c.

Xe

d.

He

Question number: 326

» P-Block Elements Group 13 to 18 » Group 18 » Structures of Fluorides

MCQ▾

Question

Which of the following two are is structural?

Choices

Choice (4) Response

a.

XeF2, IF2

b.

Equation

c.

Equation

d.

Equation

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