Question

What is ionisation enthalpy. Explain the reason for higher ionisation enthalpy of nitrogen than oxygen

Answer 1

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• So, p orbital in nitrogen is more stable than in oxygen, which has one electron more than the half-filled configuration. So, the ionization energy of nitrogen is more than that of oxygen.7. The maximum volume of air

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Answer 2

Solution :-

Ionization enthalpy:-

it is the amount of energy required to remove an electron from the valence shell of a isolated gaseous atom or ion.

Ionization enthalpy is always positive.

Nitrogen has half filled electronic configuration but oxygen has neither half field nor fully filled electronic configuration as a result electronic configuration of nitrogen is more stable than that of oxygen hence it is more difficult to remove an electron from the valence shell of nitrogen therefore Nitrogen has higher ionization enthalpy.

Electronic configuration:-

If the electronic configuration is half filled or fully filled then it will be extra stable due to higher symmetry and higher exchange energy as a result it will be very difficult to remove an electron from such an electronic configuration therefore, higher will be the ionization enthalpy