Which statement is correct about halogens?

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Question

(A) Halogens $(F_2, Cl_2, Br_2, I_2)$ are all diatomic molecules in their elemental state. They have a general valence shell configuration of $ns^2 np

Vedclass · Accepted Answer

They are all diatomic and form univalent ions.

Vedclass · Answer

(A) Halogens $(F_2, Cl_2, Br_2, I_2)$ are all diatomic molecules in their elemental state. They have a general valence shell configuration of $ns^2 np^5$,which allows them to gain one electron to form univalent halide ions $(X^-)$. While most halogens exhibit multiple oxidation states,the statement that they are all diatomic and form univalent ions is the most fundamental and universally correct characteristic among the given options.

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