therefore the stability of the anions decrease in the order :
For polyhalogen anions with the same cation , the more stable ones are those with a heavier halogen at the center , symmetric ions are also more stable than asymmetric ones .
The stability of the anions decrease in the order :
For polyhalogen anions with the same cation , the more stable ones are those with a heavier halogen at the center , symmetric ions are also more stable than asymmetric ones .