Pauli's Exclusion Principle & Hund's Rule Recommended MCQs - 140 Questions Structure of Atom Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The number of unpaired electrons in 1s² 2s² 2p³ is -

1. 2

2. 0

3. 3

4. 1

Subtopic: Pauli's Exclusion Principle & Hund's Rule |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

Match the following species with their corresponding ground state electronic configuration.

Atom/Ion	Electronic configuration
A. Cu	1. $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{10}$
B. Cu²⁺	2. $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{10} 4 s^{2}$
C. Zn²⁺	3. $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{10} 4 s^{1}$
D. Cr³⁺	4. $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{9}$
	5. $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{3}$

	A	B	C	D
1.	4	2	5	1
2.	3	4	1	5
3.	3	2	1	4
4.	4	2	1	3

Subtopic: Pauli's Exclusion Principle & Hund's Rule |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

An electronic configuration representing an atom in the excited state is

$1 . 1 s^{2}, 2 s^{2} 2 p^{1} 2 . 1 s^{2}, 2 s^{2} 2 p^{2} 3 . 1 s^{2}, 2 s^{2} 2 p^{2}, 3 s^{1} 4 . 1 s^{2}, 2 s^{2} 2 p^{5}$

Subtopic: Pauli's Exclusion Principle & Hund's Rule |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

Match the ensuing rules with the corresponding statements

Rules	Statements
A. Hund’s Rule	1. No two electrons in an atom can have the same set of four quantum numbers.
B. Aufbau Principle	2. Half-filled and completely filled orbitals have extra stability.
C. Pauli's Exclusion Principle	3. Pairing of electrons in the orbitals belonging to the same subshell does not take place until each orbital is singly occupied.
D. Heisenberg’s Uncertainty Principle	4. It is impossible to determine the exact position and exact momentum of a subatomic particle simultaneously.
	5. In the ground state of atoms, orbitals are filled in the order of their increasing energies.

	A	B	C	D
1.	3	5	1	2
2.	1	2	3	4
3.	3	5	1	4
4.	4	5	3	2

Subtopic: Pauli's Exclusion Principle & Hund's Rule |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

If the electronic structure of oxygen atom is written as $1 s^{2}, 2 s^{2}$ it would violate

1. Hund's rule

2. Paulis exclusion principle

3. Both Hund's and Pauli's principles

4. None of these

Subtopic: Pauli's Exclusion Principle & Hund's Rule |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

The orbital diagram in which both the Pauli's exclusion principle and Hund's rule are violated is

Subtopic: Pauli's Exclusion Principle & Hund's Rule |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

Among the given options, the element having the highest number of unpaired electrons in the ground state is

1. P

2. Fe

3. Kr

4. Cr

Subtopic: Pauli's Exclusion Principle & Hund's Rule |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XI^th & XII^th Physics, Chemistry & Biology

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

Add Note

Add Note

Add Note

Add Note

Add Note

Add Note

Add Note

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions