The probability density plots of 1s and 2s orbitals diagrams are given below :

  

The density of dots in a region represents the probability density of finding electrons in the region.

On the basis of the above diagram which of the following statements is incorrect?

1. 1s and 2s orbitals are spherical in shape
2. The probability of finding the electron is maximum near the nucleus
3. The probability of finding the electron at a given distance is equal in all directions
4. The probability density of electrons for 2s orbital decreases uniformly as the distance from the nucleus increases

Subtopic:  Quantum Numbers & Schrodinger Wave Equation | Shell & Subshell |
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

For the electrons of an oxygen atom. The correct statement among the following is :

1. Zeff for an electron in a 2s orbital is the same as Zeff for an electron in a 2p orbital.
2. An electron in the 2s orbital has the same energy as an electron in the 2p orbital.
3. Zeff for an electron in 1s orbital is the same as Zeff for an electron in a 2s orbital
4. The two electrons present in the 2s orbital have same spin quantum numbers ms but of opposite sign
Subtopic:  Quantum Numbers & Schrodinger Wave Equation | Shell & Subshell |
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

Out of the following pairs of electrons, identify the pairs of electrons present in degenerate orbitals.

(a) (i)  n = 3, l = 2, m= –2, m= –\(\frac{1}{2}\)   
(ii) n = 3, l = 2, m= –1, m= –\(\frac{1}{2}\)
(b) (i) n = 3, l = 1, m= +1, m= +\(\frac{1}{2}\)     
(ii) n = 3, l = 2, m= +1, m= +\(\frac{1}{2}\)
(c) (i) n = 4, l = 1, m= +1, m= +\(\frac{1}{2}\)  
(ii) n = 3, l = 2, m= +1, m= +\(\frac{1}{2}\)
(d) (i) n = 3, l = 2, m= +2, m= –\(\frac{1}{2}\)    
(ii) n = 3, l = 2, m= +2, m= +\(\frac{1}{2}\)


1. (a), (d)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Subtopic:  Shell & Subshell |
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology

The correct set of quantum numbers among the following is : 

n l m
(a)   1  +2
(b)   2  +1
(c)   3  –2
(d)   3  –2

1. (a), (d)

2. (b), (c)

3. (c), (d)

4. (b), (d)

Subtopic:  Shell & Subshell |
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
Please attempt this question first.
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology