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What is the most stable iodine ion?

Answer
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Hint :In order to this question, to know the most stable iodine ion, we will write the reaction to form the most stable iodine ion that is iodide. And then we will discuss more about the most stable iodine ion.

Complete Step By Step Answer:
Iodine ion, I , is a very commonly encountered ion, and the most stable iodine ion.
 12I2+eI
Above is the reaction by which I is forming.
An iodide ion is the ion I . Compounds with iodine in formal oxidation state 1 are called iodides. In everyday life, iodide is most commonly encountered as a component of iodized salt, which many governments mandate. Worldwide, iodine deficiency affects two billion people and is the leading preventable cause of intellectual disability.
Iodide is one of the largest monatomic anions. It is assigned a radius of around 206picometers . For comparison, the lighter halides are considerably smaller: bromide (196pm) , chloride (181pm) , and fluoride (133pm) . In part because of its size, iodide forms relatively weak bonds with most elements.

Note :
Most iodide salts are soluble in water, but often less so than the related chlorides and bromides. Iodide, being large, is less hydrophilic compared to the smaller anions. One consequence of this is that sodium iodide is highly soluble in acetone, whereas sodium chloride is not. The low solubility of silver iodide and lead iodide reflects the covalent character of these metal iodides.
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