Calculate ionisation potential of the electron in the first, Ask an Expert

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Calculate ionisation potential of the electron in the first exited state of singly ionised Helium atom is given by ionisation of Hydrogen atom to be 13.6 eV.

Ans: According to Bohr,

Ionisation potential of an element = (ionisation potential of hydrogen)/ n²

We know for helium n=2

Hence IP of He = 13.6/ 2²= 3.4 eV

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Category:- Chemistry
Reference No.:- M9583549

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