Electron gain enthalpy of F is less negative than Cl. Why?

1.	Electron gain enthalpy of F is less negative than Cl. Why?
Answer» When an electron is added to F, the added electron goes to the L shell (n = 2). As the ‘L’ shell possess smaller region of space, the added electron feels significant repulsion from the other electrons present in this level. E.A of F = -328 KJ mole^-1 E.A of Cl = -349 KJ mole^-1

Answer»

When an electron is added to F, the added electron goes to the L shell (n = 2). As the ‘L’ shell possess smaller region of space, the added electron feels significant repulsion from the other electrons present in this level.

E.A of F = -328 KJ mole^-1

E.A of Cl = -349 KJ mole^-1

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Electron gain enthalpy of F is less negative than Cl. Why?

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