F,cl,Br are arrange in decreasing affinity
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HERE IS UR ANSWER
ELECTRON AFFINITY IS THE ABILITY OF AN ELEMENT TO HOLD AN EXTRA ELECTRON
THE TREND DOWN THE GROUP IS NOT REGULAR . THE ELECTRON AFFINITY OF HALOGENS DECREASE DOWN THE GROUP WITH THE EXCEPTION OF FLOURINE (F).
THE ELECTRON AFFINITY IS THE MEASURE OF THE ATTRACTION BETWEEN THE INCOMING ELECTRON AND THE NUCLEUS .
THE HIGHER THE ATTRACTION THE HIGHER THE ELECTRON AFFINITY .
ELECTRON AFFINITY OF HALOGENS :
F=_3.7(ev)
Cl=_4.0 (ev)
Br=_3.8 (ev)
I=_3.4(ev)
so
Cl > Br > F > I (electron affinity)
HOPE IT HELPS U
______________***___________☺☺☺
HERE IS UR ANSWER
ELECTRON AFFINITY IS THE ABILITY OF AN ELEMENT TO HOLD AN EXTRA ELECTRON
THE TREND DOWN THE GROUP IS NOT REGULAR . THE ELECTRON AFFINITY OF HALOGENS DECREASE DOWN THE GROUP WITH THE EXCEPTION OF FLOURINE (F).
THE ELECTRON AFFINITY IS THE MEASURE OF THE ATTRACTION BETWEEN THE INCOMING ELECTRON AND THE NUCLEUS .
THE HIGHER THE ATTRACTION THE HIGHER THE ELECTRON AFFINITY .
ELECTRON AFFINITY OF HALOGENS :
F=_3.7(ev)
Cl=_4.0 (ev)
Br=_3.8 (ev)
I=_3.4(ev)
so
Cl > Br > F > I (electron affinity)
HOPE IT HELPS U
______________***___________☺☺☺
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