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Explain the following : Iodine is more...

Explain the following :
Iodine is more soluble in KI solution than in water.

Text Solution

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Iodine is non-polar in nature and water is polar in nature. Therefore iodine does not dissolve in water. Iodine easily combines with aqueous solution of Kl to form the soluble complex `Kl_(3)`. KI + `I_(2) rarr KI_(3)` or (`K^(+)I_(3)^(-)`). `KI_(3)` is ionic in nature. Thus, it is easily soluble in water.
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