JEE Main Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main

Which is the correct order for electron gain enthalpy?

Answer: (B)

Solution

Electron gain enthalpy magnitudes (kJ/mol, approx.): O≈141 < S≈200 < F≈328 < Cl≈349, giving the increasing order .

Question ID VK-156785