The ionisation potential of a hydrogen atom is –13.6 eV. What will be the energy of the atom corresponding to n = 2

Q. The ionisation potential of a hydrogen atom is –13.6 eV. What will be the energy of the atom corresponding to n = 2.

A.            – 3.4 eV

B.            – 6.8 eV

C.            – 1.7 eV

D.            –2.7 eV

Answer: – 3.4 eV