Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Physical and Chemical Properties of Group 16th Elements Single Correct MCQ
Published on: August 13, 2026

Group 16 elements have lower value of first ionizations enthalpy as compared to group 15 elements because

A
Half filled p-orbitals in group 15 elements are more stable
B
Group 16 elements have smaller size than group 15 elements
C
Group 16 elements contains double bond while group 15 elements have triple bond
D
Group 16 elements have more number of electrons in p-orbitals.

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The correct answer is:
A

Due to extra stability of half-filled p – orbitals of group 15 elements, large amount of energy is required to remove electrons as compared to group 16 elements.

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