Question

the ionisation energy to excite hydrogen atom in ev will be

Answer 1

13.6ev is the energy mark it as brainly answer plz

Answer 2

Explanation:

Ionization energy of hydrogen atom=−13.6Z

2

=−13.6eV

E

ionization

=

λ

hc

λ

ionisation

6.626×10

−34

×3×10

8

=13.6×1.6×10

−19

λ

ionisation

=912×10

−8

m

ionization energy for 1 mole H=E

ionization

×N

A

=13.6×1.6×10

−19

×6.023×10

23

=1310kJ/mole

=1313kJ/mol(approx)