Chemistry - CHEMICAL BONDING Question with Solution | TestHub

ChemistryCHEMICAL BONDINGMOTHard2 minQB
ChemistryHardinteger

Among NO, O₂²⁻, NO₂⁻, CO₂, O₂⁺ and O₃, let X count paramagnetic species and Y those with a π bond or net π bond order in elementary MO/Lewis theory. Set n=X+Y−1. How many spatial orbitals are in the nth shell of hydrogen-like Be³⁺? Ignore spin degeneracy.

Answer:
36
Solution:

NO and O₂⁺ give X=2. All except peroxide have a π contribution, so Y=5. Hence n=6 and the shell contains n²=36 spatial orbitals. Nuclear charge affects energies, not the n² count.

Stream:JEESubject:ChemistryTopic:CHEMICAL BONDINGSubtopic:MOT
⏱ 2mℹ️ Source: QB

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