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Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties1 Mark
Question
Why is F2 more reactive than Cl2?
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Answer

It is because F2 has lower bond dissociation enthalpy than Cl2 due to repulsion between valence electrons due to exceptionally small size of fluorine.

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