Calculate ionisation potential of the electron, Chemistry

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

 

Posted Date: 9/25/2013 2:10:30 AM | Location : United States







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