Amongst the following elements

Question:

 Amongst the following elements whose electronic configurations are given

below, the one having the highest ionisation enthalpy is

(i) [Ne]3s2 3p1

(ii) [Ne]3s2 3p3

(iii) [Ne]3s2 3p2

(iv) [Ar]3d10 4s2 4p3

Solution:

Option (ii) is the answer.

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