1.

A sudden large jump between the values of second and third ionisation energies of an element would be associated with the electronic configurationA. `1s^(2),2s^(2)p^(6),3s^(1)`B. `1s^(2),2s^(2)p^(6),3s^(2)p^(1)`C. `1s^(2),2s^(2)p^(6),3s^(2)p^(2)`D. `1s^(2),2s^(2)p^(6),3s^(2)`

Answer» Correct Answer - D
`1s^(2)2s^(2)p^(6)3s^(2)`. In group III transition `e^(-)` is to be removed from stable configuration.


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