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Most Important Selected Qs for JEE AdvancedChemistryStructure of Atom

For a unielectronic species, select the correct order of energy of the following orbitals : ₁ : A spherically symmetrical orbital having three spherical nodes. ₂ : An orbital of double dumb bell shape with zero spherical nodes. ₃ : A d-orbital with zero planar as well as zero radial nodes but non-zero angular nodes. ₄: A p-orbital with planar nodes more than radial nodes.

Options

  1. A₁ ₂ ₄
  2. B₁ ₂ ₃
  3. C₂= ₃
  4. D₂ ₄

Correct answer

D. ₂ ₄

Step-by-step solution

₁=4 ~s ; ₂=3 ~d ; ₃=3 ~d _ z ^2 , ₄=2 p Order of energy : ₁ ₂= ₃ ₄ .

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