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The ionization energy of H-atom is 13.6...

The ionization energy of H-atom is `13.6eV`. Calculate the is ionization energy of `Li^(+2)`ion-

A

`122.4eV`

B

`22.4eV`

C

`99.5eV`

D

`55.3eV`

Text Solution

Verified by Experts

The correct Answer is:
C
Ionization energy `= (Rhc)Z^(2) = 9hcR` (Note : `E_(n) = - (RhcZ^(2))/(n^(2))`)
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