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Ionisation energy of He^+ is 19.6 xx 10^...

Ionisation energy of `He^+` is `19.6 xx 10^-18 J "atom"^(-1)`. The energy of the first stationary state `(n = 1)` of `Li^( 2 +)` is.

A

`4.41xx10^(-16)J`

B

`4.41xx10^(-17)J`

C

`2.2xx10^(-15)J`

D

`8.82xx10^(-17)J`

Text Solution

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The correct Answer is:
B
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