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Question: Answered & Verified by Expert
In which process maximum energy is released?
ChemistryClassification of Elements and Periodicity in PropertiesNEET
Options:
  • A S-(g)+e-→S2-(g)
  • B F(g)+e-→F-(g)
  • C N(g)+e-→N-(g)
  • D S(g)+e-→S-(g)
Solution:
2203 Upvotes Verified Answer
The correct answer is: F(g)+e-→F-(g)
As on moving left to right across the period electron affinity increases and also the amount of energy released, and it is maximum for halogens.
So EA1 of F >E1 of S.

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