Question

which have highest ionisation enthalpy among P,O,N,S​

Answer 1

Answer:

N has higher ionisation enthalpy than O due to extra stability of half-filled orbitals. Similarly, P has higher ionisation enthalpy than S due to half-filled orbitals. Non-metallic character decreases down the group and increases from left to right in a period.Mar 6, 2018

Explanation:

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Answer 2

Answer:

N has higher ionisation enthalpy than O due to extra stability of half-filled orbitals. Similarly, P has higher ionisation enthalpy than S due to half-filled orbitals. Non-metallic character decreases down the group and increases from left to right in a period.