Atomic Structure (JEE (Based on NTA Guidelines-IIT Engg.) Mains Chemistry): Questions 1 - 3 of 3

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Question number: 1

» Atomic Structure » Pauli's Exclusion Principle

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MCQ▾

Question

Which of the following orbital diagram violate the Pauli’s exclusion principle?

Choices

Choice (4) Response

a.

Image of Pauli’s exclusion principle for Option A

Image of Pauli’S Exclusion Principle for Option A

Image of Pauli’s exclusion principle for Option A

b.

Image of Pauli’s exclusion principle for Option B

Image of Pauli’S Exclusion Principle for Option B

Image of Pauli’s exclusion principle for Option B

c.

Image of Pauli’s exclusion principle for Option C

Image of Pauli’S Exclusion Principle for Option C

Image of Pauli’s exclusion principle for Option C

d.

Image of Pauli’s exclusion principle for Option D

Image of Pauli’S Exclusion Principle for Option D

Image of Pauli’s exclusion principle for Option D

Question number: 2

» Atomic Structure » Quantum Mechanical Model of Atom

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MCQ▾

Question

Quantum mechanical liquid of helium (II) has properties

Choices

Choice (4) Response

a.

He (II) has a very flat meniscus and very low surface tension and creeps over the surface of glass

b.

It has very high thermal conductance i. e. times of copper

c.

It has very low viscosity gas.

d.

All a. , b. and c. are correct

Question number: 3

» Atomic Structure » Bohr Model of Hydrogen Atom

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MCQ▾

Question

The radii of two of the first four Bohr’s orbits of the hydrogen atom are in the ratio 1: 4. The energy difference between them may be

Choices

Choice (4) Response

a.

b.

c.

Either2.55evor10.2ev

d.

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