Which of the following sets of quantum numbers is not allowed?
- $n =3,1=2, m _{ l }=0, s =+\frac{1}{2}$
- $n =3,1=2, m _1=-2, s =+\frac{1}{2}$
- $n =3,1=3, m _{ l }=-3, s =-\frac{1}{2}$
- $n =3,1=0, m _1=0, s =-\frac{1}{2}$
The Correct Option is C
Solution and Explanation
The correct option is (C): \(n =3,1=3, m _{ l }=-3, s =-\frac{1}{2}\)
Top Questions on Quantum Mechanical Model of Atom
- The quantum numbers of four electrons are given below:
I. \( n = 4; l = 2; m_l = -2; s = -\frac{1}{2} \)
II. \( n = 3; l = 2; m_l = 1; s = +\frac{1}{2} \)
III. \( n = 4; l = 1; m_l = 0; s = +\frac{1}{2} \)
IV. \( n = 3; l = 1; m_l = -1; s = +\frac{1}{2} \)
The correct decreasing order of energy of these electrons is:- NEET (UG) - 2024
- Chemistry
- Quantum Mechanical Model of Atom
- Presence of 3 unpaired electrons in nitrogen can be explained by ____ principle.
- AP POLYCET - 2024
- Chemistry
- Quantum Mechanical Model of Atom
- The molecule in which the central atom has one lone pair of electrons in its valence shell is
- TS POLYCET - 2023
- Chemistry
- Quantum Mechanical Model of Atom
- For a particle in a square box of side 'l' and quantum numbers n₁=1, n2=2, the most probable location of finding the particle is
- CUET (PG) - 2023
- Chemistry
- Quantum Mechanical Model of Atom
Which of the following sets of quantum numbers is not allowed?
- JEE Main - 2022
- Chemistry
- Quantum Mechanical Model of Atom
Questions Asked in JEE Main exam
- Let \[ \vec{a} = 2\hat{i} + \alpha \hat{j} + \hat{k}, \quad \vec{b} = -\hat{i} + \hat{k}, \quad \vec{c} = \beta \hat{j} - \hat{k}, \] where \( \alpha \) and \( \beta \) are integers and \( \alpha \beta = -6 \). Let the values of the ordered pair \( (\alpha, \beta) \) for which the area of the parallelogram of diagonals \( \vec{a} + \vec{b} \) and \( \vec{b} + \vec{c} \) is \( \frac{\sqrt{21}}{2} \), be \( (\alpha_1, \beta_1) \) and \( (\alpha_2, \beta_2) \). Then \( \alpha_1^2 + \beta_1^2 - \alpha_2 \beta_2 \) is equal to:
- JEE Main - 2024
- Vectors
- The molecular formula of second homologue in the homologous series of monocarboxylic acid is
- JEE Main - 2024
- Aldehydes, Ketones and Carboxylic Acids
- Given below are two statements: Statement I: $\text{PF}_5$ and $\text{BrF}_5$ both exhibit $\text{sp}^3\text{d}$ hybridisation.Statement II: Both $\text{SF}_6$ and $[\text{Co}(\text{NH}_3)_6]^{3+}$ exhibit $\text{sp}^3\text{d}^2$ hybridisation. In the light of the above statements,choose the correct answer from the options given below:
- JEE Main - 2024
- Hybridisation
- Consider the system of linear equations \( x + y + z = 4\mu \), \( x + 2y + 2\lambda z = 10\mu \), \( x + 3y + 4\lambda^2 z = \mu^2 + 15 \), where \( \lambda, \mu \in \mathbb{R} \). Which one of the following statements is NOT correct?
- JEE Main - 2024
- Linear Algebra
- If the constant term in the expansion of \((1 + 2x - 3x^3) \left(\frac{3}{2}x^2 - \frac{1}{3x}\right)^9\) is \( p \), then \( 108p \) is equal to _________.
- JEE Main - 2024
- Algebra
Concepts Used:
Quantum Mechanical Model of the Atom
Quantum Mechanics:
Quantum mechanics is an evolving and much-advanced field of science that aims at understanding the properties of matter and objects in relation to their corresponding atomic and sub-atomic nature. It further illustrates the characteristics of the atoms, protons, electrons, and neutrons specifically and in the context of each other. It aims at studying electromagnetic radiation as well. This is a sub-part of the wider theory of quantum physics.
Read Also: Quantum Mechanical Model of Atom
Quantum Mechanical Models:
Presently, the scientific world has only two acceptable and working models of quantum mechanics. Such as,
- The first model for the understanding and application of quantum mechanics that is acceptable currently is the Bohr Model.
The basis of this model of the Bohr is seen in terms of mathematics which is used for understanding the complex structures.
- Another acceptable model is the Quantum Mechanics Model which has its basis in quantum theory.
This quantum theory ultimately defines the exact properties of matter over a period of time. It usually works on the uncertainty principle.