who has given the VSEPR theory?
Answers
Answer:
Ryutaro Tsuchida gave the VSEPR theory.
Valence shell electron pair repulsion theory, or VSEPR theory (/ˈvɛspər, vəˈsɛpər/ VESP-ər,[1]:410 və-SEP-ər[2]), is a model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms.[3] It is also named the Gillespie-Nyholm theory after its two main developers, Ronald Gillespie and Ronald Nyholm. The premise of VSEPR is that the valence electron pairs surrounding an atom tend to repel each other and will, therefore, adopt an arrangement that minimizes this repulsion. This in turn decreases the molecule's energy and increases its stability, which determines the molecular geometry. Gillespie has emphasized that the electron-electron repulsion due to the Pauli exclusion principle is more important in determining molecular geometry than the electrostatic repulsion.[4]
VSEPR theory is based on observable electron density rather than mathematical wave functions and hence unrelated to orbital hybridisation,[5] although both address molecular shape. VSEPR has a physical basis in quantum chemical topology (QCT) methods such as the electron localization function (ELF) and the quantum theory of atoms in molecules (AIM or QTAIM).[4][6]
Answer:
Ryutaro Tsuchida
Explanation:
the idea of correlation between molecular geometry and number of valance electron Pairs (both shared and unshared pairs) was originally proposed in 1939 by Ryutaro Tsuchida in Japan ,and was independently presented in a Bakerian Lecture in 1940 by Nevil sidgwick and Herbert powell of the university of Oxford .
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