Elementary Ideas of Quantum Mechanics(Quantum Mechanics, the Quantum Mechanical Model of the Atom, its important features) NEET Questions

Physical Chemistry - Atomic Structure

Elementary Ideas of Quantum Mechanics(Quantum Mechanics, the Quantum Mechanical Model of the Atom, its important features) MCQ Questions


13.
Which function represents the wave nature of an electron?
A.
Wave function (ψ)
B.
Probability density (ψ²)
C.
Energy function (E)
D.
Velocity function (v)
😑 View Answer Rough Work Error
ANSWER :
A. Wave function (ψ)
14.
Which of the following is NOT an allowed value for the principal quantum number (n)?
A.
1
B.
2
C.
0
D.
3
😑 View Answer Rough Work Error
ANSWER :
C. 0
15.
What does ψ² represent in quantum mechanics?
A.
Electron charge
B.
Probability density
C.
Energy of an electron
D.
Position of an electron
😑 View Answer Rough Work Error
ANSWER :
B. Probability density
16.
The probability of finding an electron is highest at which point in an orbital?
A.
At the nucleus
B.
At infinite distance
C.
At a specific energy level
D.
Along a node
😑 View Answer Rough Work Error
ANSWER :
C. At a specific energy level
17.
Which of the following orbitals has the highest energy?

NEET - 2017

A.
2s
B.
3p
C.
3d
D.
4s
😑 View Answer Rough Work Error
ANSWER :
C. 3d
18.
The shape of an orbital is determined by which quantum number?
A.
Principal (n)
B.
Azimuthal (l)
C.
Magnetic (m)
D.
Spin (s)
😑 View Answer Rough Work Error
ANSWER :
B. Azimuthal (l)