Various Quantum Numbers (Principal, Angular Momentum, and Magnetic Quantum Number, and their Significance) NEET Questions

Physical Chemistry - Atomic Structure

Various Quantum Numbers (Principal, Angular Momentum, and Magnetic Quantum Number, and their Significance) MCQ Questions


13.
The azimuthal quantum number 'l' determines the:
A.
Size of the orbital
B.
Spin of the electron
C.
Spatial orientation of the orbital
D.
Three-dimensional shape of the orbital
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ANSWER :
D. Three-dimensional shape of the orbital
14.
For l = 2, the subshell is designated as:
A.
p
B.
d
C.
s
D.
f
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ANSWER :
B. d
15.
For the 4d subshell, the values of n and l are respectively:
A.
n=4, l=3
B.
n=2, l=4
C.
n=4, l=1
D.
n=4, l=2
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ANSWER :
D. n=4, l=2
16.
The number of subshells in the third shell (n=3) is:
A.
4
B.
3
C.
2
D.
1
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ANSWER :
B. 3
17.
For n=2, the possible values of l are:
A.
0, 1, and 2
B.
1 only
C.
0 only
D.
0 and 1
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ANSWER :
D. 0 and 1
18.
The number of orbitals in a subshell with azimuthal quantum number l is given by:
A.
2l+1
B.
2l
C.
lĀ²
D.
l+1
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ANSWER :
A. 2l+1