NEET 2022

NEET 2022 Chemistry question on d- and f-Block Elements

Gadolinium has a low value of third ionisation enthalpy because of
  1. A.
    small size
  2. B.
    high exchange enthalpy
  3. C.
    high electronegativity
  4. D.
    high basic character
Show answer

Correct option: B

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