Why bond energy of F2 is less than that of Cl2?
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Explanation:
Therefore, the repulsion between electrons in the outer most shell of the two atoms in a fluorine molecule is much greater than that in a chlorine molecule. Hence, it requires less energy to break up the fluorine molecule, making its bond dissociation energy lesser than that of chlorine molecule.
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Explanation:
The size of fluorine is smaller than Chlorine and bromine. Due to which there is higher electron density on Fluorine. ... Due to this repulsion between the electrons both the atoms want to move apart. Hence the bond can be cleaved easily and the bond dissociation energy is less
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