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How much energy is required to ionise a ...

How much energy is required to ionise a H atom if the electron occupies `n = 5` orbit?

A

`5.44 ev`

B

`10.8 ev`

C

`0.544 ev`

D

`1.08 ev`

Text Solution

Verified by Experts

The correct Answer is:
C
`-E_(n) = I. E = (13.6)/(n^2) xx z^2`
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