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Chemical Bonding and Molecular Structure — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryChemical Bonding and Molecular Structure1 Mark
MCQ
Amongst the following elements, whose electronic configurations are given below, the one having the highest ionization enthalpy is:
  • A
    [Ne]3s23p1
  • B
    [Ne]3s23p3
  • C
    [Ne]3s23p2 
  • D
    [Ar]3d104s24p3
✓

Answer

  1. [Ar]3d104s24p3

Explanation:

Have exactly half filled p-orbitals but (b) is smaller in size than Hence, (b) has highest ionization enthalpy.

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