Question

The highest negative electron gain enthalpy is of ( from the following )
F,S,N,Ne
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Answer 1

Answer:

Highest negative electron gain enthalpy

We know,Halogens have highest negative value of electron gain enthalpy. Here Cl and F both are halogens but electron gain enthalpy of Cl is more negative than F because of very small size of F which causes interelectronic repulsion among its electrons.

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