Give reasons: Fluorine has less electron affinity than chlorine. - Vidyadip

Question

Give reasons: Fluorine has less electron affinity than chlorine.

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Answer

The less electron affinity of fluorine is due to its smaller size. Adding an electron to the 2p orbital in fluorine leads to a greater repulsion than adding an electron to the larger 3p orbital of chlorine.
Hence, fluorine has less electron affinity than chlorine.

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