Group 16 elements have lower value of first ionisation enthalpy as compared to group 15…
Chemistry · Class 12 · CBSE — The p-Block Elements
Group 16 elements have lower value of first ionisation enthalpy as compared to group 15 elements because
- half filled p-orbitals in group 15 elements are more stable
- group 16 elements have smaller size than group 15 elements
- group 16 elements contain double bond while group 15 elements have triple bond
- group 16 elements have more number of electrons in p-orbitals .
Answer
(A) half filled p -orbitals in group 15 elements are more stable
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