Shweta Thakur posted an Question
November 22, 2020 • 22:33 pm 30 points
  • IIT JAM
  • Chemistry (CY)

Why for transition elemants we donot study about orbital angular momentum

why for transition elemants we donot study about orbital angular moment

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    Priyanshu kumar Best Answer

    For the compounds of the first series of transition metals, the contribution of the orbital angular momentum is effectively quenched and is hence of no significance. Have you study about quenching of orbital motion?

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    no sir

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    https://youtu.be/JNvn1fcQPcs

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    https://youtu.be/AO251lSkmVU

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    check this two video

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    ok

    eduncle-logo-app

    sir

    eduncle-logo-app

    sir

  • comment-profile-img>
    Dinesh khalmaniya 1 best-answer

    Simplistically speaking orbital angular momentum is present when some conditions are satisfied: A set of orbitals are degenerate; These orbitals can be "interconverted" by rotation about a certain axis; The set of orbitals is not empty, half-filled, or fully filled. Physically speaking, the "rotation" of an electron from one orbital to the next generates orbital angular momentum. The rotation must not have an energy cost, which necessitates degeneracy. It also means that the set of orbitals must have at least one electron, as well as one empty space (a so-called hole) for the electron to "rotate" into. The hole must have the same spin as the electron, which means that a half-filled subshell doesn't allow for orbital angular momentum (since all the electrons have parallel spins check this explanation https://www.topperlearning.com/answer/why-for-transition-elements-orbital-angular-momentum-of-electrons-is-quenched/hsotq7kk

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