Which among the following does not form polyhalide ion?

Question

Which among the following does not form polyhalide ion? (A) Chlorine (B) Bromine (C) Iodine (D) Fluorine

Tardigrade Admin · Accepted Answer

When the halide ions combine with halogen molecules or interhalogen, univalent ions are obtained. These are known as polyhalide ions. Among the given options, F doesn't form polyhalide ion because it doesn't have d-orbitals and cannot show higher oxidation state.

Q. Which among the following does not form polyhalide ion?

Chlorine

Bromine

Iodine

Fluorine

When the halide ions combine with halogen molecules or interhalogen, univalent ions are obtained. These are known as polyhalide ions. Among the given options, $F$ doesn't form polyhalide ion because it doesn't have $d$ -orbitals and cannot show higher oxidation state.