List of top Chemistry Questions on Quantum Mechanical Model of Atom asked in JEE Main

In a multielectron atom, which of the following orbitals described by three quantum numbers will have the same energy in absence of electric and magnetic fields?
A. $ n = 1, l = 0, m_l = 0 $
B. $ n = 2, l = 0, m_l = 0 $
C. $ n = 2, l = 1, m_l = 1 $
D. $ n = 3, l = 2, m_l = 1 $
E. $ n = 3, l = 2, m_l = 0 $
Choose the correct answer from the options given below:

Given below are two statements:

Given below are two statements:

In light of the above statements, choose the correct answer from the options given below:

The product (P) formed in the following reaction is:

In a multielectron atom, which of the following orbitals described by three quantum numbers will have the same energy in absence of electric and magnetic fields?
A. $ n = 1, l = 0, m_l = 0 $
B. $ n = 2, l = 0, m_l = 0 $
C. $ n = 2, l = 1, m_l = 1 $
D. $ n = 3, l = 2, m_l = 1 $
E. $ n = 3, l = 2, m_l = 0 $

Choose the correct answer from the options given below:

Which of the following sets of quantum numbers is not allowed?

Consider the following set of quantum numbers.
$n \,|\, m_|$
A. 3 3 –3
B. 3 2 –2
C. 2 1 +1
D. 2 2 +2
The number of correct sets of quantum numbers is _____.

Which of the following sets of quantum numbers is not allowed?

The correct set of four quantum numbers for the valence electrons of rubidium atom $(Z = 37)$ is

Maximum number of orbitals possible when n = 4 and m = 0?

In an atom, how many electrons can have
(i) n = 4 (ii) m1 =1 (iii) ms = ½