A) \[{{F}_{2}}\]
B) \[C{{l}_{2}}\]
C) \[B{{r}_{2}}\]
D) \[{{I}_{2}}\]
Correct Answer: B
Solution :
Among halogens, the order of electron affinity is ?\[Cl>F>Br>I\]Unexpectedly, fluorine has less electron affinity than chlorine. It is due to greater electron density on F (lesser size) due to which it fends to repel the incoming electron.
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