why potassium does not form K²+ ion?
meenakshi997sa:
2nd ionisation enthalpy is quite high...
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Hey...!!!
Potassium does not form K2+ ion because if it donates 2 electrons then its configuration becomes 2,8,7....which is unstable...
Whereas if it donates only 1 electron, the configuration becomes 2,8,8 which is stable as it attains the configuration of an inert gas....that's why potassium forms K+ ion....
Hope this helps you..... ☺
Potassium does not form K2+ ion because if it donates 2 electrons then its configuration becomes 2,8,7....which is unstable...
Whereas if it donates only 1 electron, the configuration becomes 2,8,8 which is stable as it attains the configuration of an inert gas....that's why potassium forms K+ ion....
Hope this helps you..... ☺
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