Give reason to explain why ClF_3 exists but FCl_3 does not exist. – InterviewSolution

1.	Give reason to explain why ClF_3 exists but FCl_3 does not exist.
Answer» Solution :CHLORINE has vacant d-orbitals in its valance SHELL. Hence, it can show (+3) oxidation STATE by promotion of electron in 3d electron. However, fluorine being most electronegative ELEMENT and absence of rf-orbitals in valance shell does not exhibit POSITIVE oxidation states and cannot expand its covalency.

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