The bond enthalpy of C-Cl bond is lower than C-F bond because:
Solution
C-Cl bond (242 kJ/mol) is weaker than C-F (484 kJ/mol) due to larger size of Cl, longer bond length, and lower electronegativity of Cl vs F.
About this question
Subject: Chemistry · Chapter: Haloalkanes and Haloarenes · Topic: Nomenclature and Properties
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