MHT CET 2025 Chemistry question

Which of the following halogens does always show oxidation state -1?

(A)Cl
(B)FCorrect
(C)Br
(D)I

Answer: (B)

Solution

Fluorine is the most electronegative element and has no vacant d orbitals in its valence shell (second period, configuration ), so it cannot expand its octet or form positive oxidation states. It therefore shows only the

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Question ID VK-103270