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The ionisation energy of He^(o+) is 19....

The ionisation energy of `He^(o+)` is `19.6 xx 10^(-18) J atom^(-1)` .The energy of the first stationary state of `Li^(2+)` will be

A

`21.2 xx10^(-18)"J/atom"`

B

`44.10xx10^(-18)"J/atom"`

C

`63.2xx10^(-18)"J/atom"`

D

`84.2xx10^(-18)"J/atom"`

Text Solution

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The correct Answer is:
B
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