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QJEEM02Ch9316: JEE Main 2002 Chemistry - Class 11 JEEM02Ch9316 Solution: In a hydrogen atom, if energy of an electron in ground state is …
In a hydrogen atom, if energy of an electron in ground state is -13.6 eV, then that in the 2nd excited state is
Multiple Choice Options
- A -1.51 eV
- B -3.4 eV
- C -6.04 eV
- D -13.6 eV
Step-by-Step Verified Solution
n = 1 means ground state
n = 2 means 1st excited state
n = 3 means 2nd excited state
Remember: nth excited state means n = n + 1
We know energy of an atom is given by
Energy (E) = -13.6
= -13.6 [ Z = atomic number = 1 for hydrogen atom]
= -1.51 ev
n = 2 means 1st excited state
n = 3 means 2nd excited state
Remember: nth excited state means n = n + 1
We know energy of an atom is given by
Energy (E) = -13.6
= -13.6
= -1.51 ev