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AP EAMCET202317 May 2023Evening ShiftChemistryStructure of AtomActual

The angular momentum of electron in H atom in a particular n state is h . What is the energy in J required to excite the electron from this particular n state to ( n +1) state? (x=+2.18 10⁻¹⁸ ~J )

Options

  1. Ax
  2. B5 x 36
  3. C36 x 5
  4. D3 x 4

Correct answer

B. 5 x 36

Step-by-step solution

Since L = nh 2 = h n =2 ;( n +1)=3 Thus, E =13.6 ( 1 n ₁^2 - 1 n ₂^2 ) eV aligned & =13.6 ( 1 2^2 - 1 3^2 ) & =1.89 eV =3.028 10⁻¹⁹ & = 5 2.18 10⁻¹⁸ 36 & = 5 x 36 aligned

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