Bond enthalpy of fluorine is lower than that of chlorine , why?
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due to small size and dissociation energy that is why Bond enthalpy of fluorine is lower than that of chlorine
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Hey !!
Bond enthalpy of F ---- F is smaller due to greater repulsive interactions between the lone pair of one F atom with those of other. The repulsive interactions arise due to greater concentration of electron density on each F atom because of it's extremely small size.
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