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Group 16 elements have lower value of fi...

Group 16 elements have lower value of first ionisation 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 contain 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
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