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

Physical Chemistry - Atomic Structure

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