Question

second ionization enthalpy of group 15 and 16 elements
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Answer 1

Answer:

Don't know sorry......

Answer 2

Answer:

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Half filled or completely filled orbitals are more stable than partially filled orbitals . Since group 15 elements have more stable nuclei ,therefore to remove electron from it will require more energy compared to group 16 elements. Thus , first ionisation enthalpy of group 15 will be higher than group 16 elements.