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The ionisation energy of H atom is 13.6...

The ionisation energy of H atom is `13.6 ` eV. What will be the ionisation energy of `He^(o+)` and `Li^(2+)` ions ?

A

54.4 ev. 122.4 ev

B

5.44 ev. 12.24 ev

C

6.82 ev, 13.6 ev

D

13.4 ev, 122.4 ev

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The correct Answer is:
A
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