MCQ
The halogen which can form both cations and anions is:
- A$F$
- B$Cl$
- C$Br$
- ✓$I$
✓
Answer
Correct option: D.
$I$
Iodine can form both cations, as well as anions. Iodine can form cations due to the poor shielding effect of $d$ orbitals where electrons can be removed from the valence shell and the cation is formed. The cations and anions of Iodine is represented as follow:
$I^{-}$and $I^{+}$
$I^{-}$and $I^{+}$
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