Which statement is correct about halogens ?
Which statement is correct about halogens ?
A. They are all diatomic and form univalent ions
B. They are all capable of exhibiting several oxidation states
C. They are all diatomic and form divalent ions
D. They can mutually displace each other from the solution of their compounds with metals.
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Correct Answer - A
All halogens are diatomic (e.g., `F_2, Cl_2, Br_2, and I_2)` and all of them form univalent ions `(F^(-), Cl^(-), Br^(-) and I^(-))`.
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