AIIMS 2019 Chemistry Electronegativity MCQ Question
Assertion : , Brand show disproportionation, but doesn't. Reason : This is because it is the most electronegative element of the group.
If both assertion and reason are true and reason is correct explanation of assertion.
If both assertion and reason are true and reason is not correct explanation of assertion.
If both assertion and reason are true and reason is not correct explanation of assertion.
If both assertion and reason are false.
Correct Answer
Detailed Explanation
Fluorine, being the most electronegative element, typically exists in the -1 oxidation state due to its strong tendency to gain an electron. Disproportionation reactions involve a species simultaneously undergoing oxidation and reduction, which is not possible for fluorine since it cannot be oxidized further beyond -1. Other options are not applicable as they do not provide relevant information or alternative scenarios regarding fluorine's behavior in redox reactions. Understanding this concept highlights the unique stability of fluorine in its -1 state and its inability to participate in disproportionation.
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