Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species?

1.  F < Cl < O < S

2.  S < O < Cl < F

3.  O < S < F < Cl

4.  Cl < F < S < O

Subtopic:  Electron Affinity (EA) |
 65%
Level 2: 60%+
AIPMT - 2005
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