Pauli's Exclusion Principle and Hund's Rule NEET Questions

Physical Chemistry - Atomic Structure

Pauli's Exclusion Principle and Hund's Rule MCQ Questions


7.
Which of the following orbitals can accommodate three electrons?
A.
1s
B.
2p
C.
3s
D.
None
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ANSWER :
B. 2p
8.
Which element shows a violation of the Aufbau principle but follows Hund’s rule?

NEET - 2019

A.
Cu
B.
Cr
C.
Fe
D.
Mn
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ANSWER :
B. Cr
9.
How many quantum numbers define an electron completely?
A.
2
B.
3
C.
4
D.
5
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ANSWER :
C. 4
10.
Which of the following is an application of Hund’s rule?
A.
Stability of half-filled orbitals
B.
Orbital degeneracy
C.
Pauli's principle
D.
Quantum mechanical model
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ANSWER :
A. Stability of half-filled orbitals
11.
Which element has an electronic configuration that follows Hund’s rule?
A.
N
B.
Ne
C.
Na
D.
Ar
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ANSWER :
A. N
12.
What is the maximum number of electrons in a p-orbital?
A.
2
B.
4
C.
6
D.
8
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ANSWER :
C. 6