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

Physical Chemistry - Atomic Structure
Pauli's Exclusion Principle and Hund's Rule

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


13.
The total number of electrons that can be accommodated in all the orbitals having n+l = 4 is:
A.
6
B.
14
C.
10
D.
8
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ANSWER :
D. 8
14.
Pauli's exclusion principle helps in determining:
A.
The maximum number of electrons in any subshell
B.
The energy of orbitals
C.
The shape of orbitals
D.
The size of atoms
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ANSWER :
A. The maximum number of electrons in any subshell
15.
Two electrons occupying the same orbital are said to be:
A.
Excited
B.
Degenerate
C.
Unpaired
D.
Paired (with opposite spins)
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ANSWER :
D. Paired (with opposite spins)
16.
The four quantum numbers describing an electron are:
A.
n, l, m, p
B.
a, b, c, d
C.
n, p, q, r
D.
n, l, ml, ms
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ANSWER :
D. n, l, ml, ms
17.
Which atom violates Pauli's exclusion principle?
A.
No atom can violate this principle
B.
Carbon atom
C.
Hydrogen atom
D.
Helium atom
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ANSWER :
A. No atom can violate this principle
18.
How many electrons can have the quantum numbers n=3, l=2 in an atom?
A.
2
B.
10
C.
6
D.
14
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ANSWER :
B. 10
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