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

Physical Chemistry - Atomic Structure

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


1.
Pauli's exclusion principle was given by:
A.
Wolfgang Pauli in 1926
B.
Niels Bohr in 1913
C.
Werner Heisenberg in 1927
D.
Erwin Schrödinger in 1926
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ANSWER :
A. Wolfgang Pauli in 1926
2.
According to Pauli's exclusion principle:
A.
All electrons in an atom have the same energy
B.
Two electrons in the same orbital must have parallel spins
C.
Electrons can occupy any orbital regardless of energy
D.
No two electrons in an atom can have the same set of four quantum numbers
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ANSWER :
D. No two electrons in an atom can have the same set of four quantum numbers
3.
According to Pauli's exclusion principle, an orbital can hold a maximum of:
A.
Two electrons with opposite spins
B.
One electron
C.
Three electrons
D.
Four electrons
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ANSWER :
A. Two electrons with opposite spins
4.
The maximum number of electrons that can be accommodated in a shell with principal quantum number n is given by:
A.
n
B.
2n²
C.
2n
D.
n²
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ANSWER :
B. 2n²
5.
The maximum number of electrons that can be filled in the p subshell is:
A.
2
B.
14
C.
10
D.
6
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ANSWER :
D. 6
6.
The maximum number of electrons that can be filled in the d subshell is:
A.
6
B.
10
C.
14
D.
8
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ANSWER :
B. 10