Question
Chemistry Question on atomic spectra
If radiation corresponding to second line of 'Balmer series' of Li2+ ion, knocked out electron from first excited state of H-atom, then kinetic energy of ejected electron would be :
A
2.55 eV
B
4.25 eV
C
11.25 eV
D
19.55 eV
Answer
19.55 eV
Explanation
Solution
The correct option is (D): 19.55 eV.