MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryAtomic StructureIntro
Energy of electron of hydrogen atom in the second Bohr orbit is
0.−5.44 × 10⁻¹⁹ J
1.−5.44 × 10⁻¹⁹ kJ
2.−5.44 × 10⁻¹⁹ cal
3.−5.44 × 10⁻¹⁹ eV
Explanation
E₂ = −13.6 Z²/n² eV = −13.6/4 = −3.4 eV. Converting: −3.4 × 1.6 × 10⁻¹⁹ = −5.44 × 10⁻¹⁹ J
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