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Topic: electron affinity: halide  (Read 734 times)

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Offline xshadow

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electron affinity: halide
« on: December 02, 2020, 06:01:34 AM »
I know that the electron affinity trend for halide is:

F > Cl > Br > I

So Cl has a higher electron affinity than Br other words  Cl- is more stable than Br- cause the higher value of electron affinity

Now my doubts is that I always knew that Br- is  more stable than Cl- (the opposite of what  I said when I thought at electron affinity) because the negative charge is "delocalized" on a bigger volume

So I get two opposite conclusions if I think at the charge delocalization or at the electron affinity....
Is this difference attributable at gas phase vs "liquid" phase?? why?


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