Concept of Atomic Orbitals as One-Electron Wave Functions... NEET Questions

Physical Chemistry - Atomic Structure

Concept of Atomic Orbitals as One-Electron Wave Functions... MCQ Questions


13.
How many radial nodes are present in a 3s orbital?
A.
1
B.
2
C.
3
D.
4
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ANSWER :
B. 2
14.
The probability of finding an electron exactly at the nucleus is highest for:
A.
1s
B.
2p
C.
3d
D.
4f
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ANSWER :
A. 1s
15.
Which of the following orbitals has the highest probability of electron density at the nucleus?

NEET - 2019

A.
1s
B.
2s
C.
2p
D.
3p
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ANSWER :
A. 1s
16.
For which orbital is the radial probability distribution function shifted furthest from the nucleus?
A.
1s
B.
2s
C.
3s
D.
4s
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ANSWER :
D. 4s
17.
What is the formula for the number of radial nodes?
A.
n - l - 1
B.
n + l - 1
C.
n - l
D.
n + l
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ANSWER :
A. n - l - 1
18.
The probability of finding an electron in a small volume is given by:
A.
Ψ
B.
Ψ²
C.
Ψ+ Ψ²
D.
Ψ/Ψ²
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ANSWER :
B. Ψ²