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As par Bohr model, the minimum energy (in `eV`) required to remove an electron from the ground state of doubly ionized `Li` atom `(Z = 3)` is
A. 1.51
B. 13.6
C. 40.8
D. 122.4

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Correct Answer - D
`Eprop Z^(2)`
`:.` Energy required `=(3)^(2)(13.6) eV =122.4 eV`

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