The ionisation potential of hydrogen atom is

12.97 V

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10.2 V

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13.6 V

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27.2 V

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Solution

The correct option is C $13.6 V$
Ionization potential energy is defined as the minimum energy required in $e V$ to excite a neutral atom to its ionized state i.e it is the minimum energy required in $e V$ to excite an electron from $n = 1$ to infinity.
Ionization energy is $0 - (- 13.6 e V) = 13.6 e V$
Hence, Ionization potential is $13.6 e V$ .

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Similar questions

The second ionisation potential of a given atom is 12.08V. the ionisation potential must be

A) 12.08V

B) 13.6V

THe second excitation potential of a given atom is 12.08V. The ionisation potential must be

A. 12.08V

B. 13.6V

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H

13.6 V

970.6_{\circ}

13.6 V

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