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Define ionisation energy. What is the va...

Define ionisation energy. What is the value for a hydrogen atom?

A

`3.4 Ev`

B

`10.4 Ev`

C

`12.09 Ev`

D

`13.6 Ev`

Text Solution

Verified by Experts

The correct Answer is:
D
The minimum energy required to free the electron from the ground state of the hydrogen atom is called the ionisation energy of hydrogen atom, its value is `13.6eV`.
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