1. Tardigrade
  2. Question
  3. Chemistry
  4. The decreasing order of electron affinity is:

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Q. The decreasing order of electron affinity is:

UPSEEUPSEE 2016Classification of Elements and Periodicity in Properties

Solution:

On moving down the group, electron affinity decreases due to increase in size but Cl shows higher electron affinity than fluorine due to vacant $d$ -orbitals.