NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 323 - 329 of 1258

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Question number: 323

» Atomic Structure » Rules for Filling Electrons in Orbitals

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MCQ▾

Question

Electron density in an orbital is correctly described by –

Choices

Choice (4) Response

a.

Ψ 2 / ψ

b.

ψ

c.

ψ2

d.

None of the above

Question number: 324

» Atomic Structure » De-Broglie's Relationship

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

500nm

b.

478nm

c.

414 nm

d.

520nm

Question number: 325

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

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

Xe

b.

He

c.

Rn

d.

Ar

Question number: 326

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

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MCQ▾

Question

Which of the following two are is structural?

Choices

Choice (4) Response

a.

b.

c.

d.

XeF2, IF2

Question number: 327

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

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MCQ▾

Question

The shape of XeF4 molecule is?

Choices

Choice (4) Response

a.

Square planner

b.

Trigonal bipyramidal

c.

Tetrahedral

d.

see-saw

Question number: 328

» P-Block Elements Group 13 to 18 » Group 17 » Hydrogen Halides

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MCQ▾

Question

HF and HCl are stable up to 12000C, whereas HBr and HI are not, why?

Choices

Choice (4) Response

a.

The bond strength of H-X increases from HF to HI

b.

The bond strength of H-X decreases from HF to HI

c.

Increase in electro negativity from F to I

d.

None of the above

Question number: 329

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

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MCQ▾

Question

Which of the following compound will be formed when alkaline potassium iodide solution is added to ozone?

Choices

Choice (4) Response

a.

Iodic acid

b.

Potassium periodate

c.

potassium iodate

d.

Both b. and c. are correct