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1 mol of He^(+) ion is excited. Spectral...

`1` mol of `He^(+)` ion is excited. Spectral analysis showed existence of `50%` ions in `3rd` level, `25%` in `2nd` level and remaining `25%` in ground state. Ionization energy of `He^(+)` is `54.4 eV`, calculate total energy evolved when all the ions retirn ground state.

A

`232.88 xx10^(4)` j

B

`331.13 xx10^(4)` j

C

`58.22 xx 10^(4)` j

D

` 660 xx10^(4)` j

Text Solution

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The correct Answer is:
B
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