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Why is iodine more soluble in KI solutio...

Why is iodine more soluble in `KI` solution than in water ?

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Iodine is covalent in nature and therefore, it does not dissolve in water which is polar. In `KI` solution, iodine reacts to form `KI_(3)` which is ionic in nature. Therefore, it becomes soluble in water.
`KI+I_(2) to KI_(3)^(-)`

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DINESH PUBLICATION-THE P-BLOCK ELEMENTS -Concept Based Questions
  1. Why does burning Mg continue to burn in a jar containing NO but burnin...

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  2. Reducing character decreases from SO(2) " to " TeO(2). Explain.

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  3. Why is iodine more soluble in KI solution than in water ?

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  4. Iodine is liberated in the reaction between KI and CU^(2+) ions but ch...

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  5. Lithium fluroide (LiF) is mainly ionic but lithium iodide (LiI) is cov...

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  6. Interhalogen compounds are more reactive than halogens. Why ?

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  7. ClF(3) exists but FCl(3) does not. Why ?

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  8. Ferric iodide is very unstable but ferric chloride is stable. Explain.

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  9. HF is not stored in glass bottles but is kept in wax bottles. Assign r...

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  10. KHF(2) is a well known compound whereas KHCl(2) does not exist. Why ?

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  11. Fluorine does not show variable oxidation states while other members o...

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  12. Chlorine water has both oxidising as well as bleaching properties prop...

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  13. On addition of ozone gas to KI solution, violet vapours are obtained. ...

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  14. Despite having greater polarity, hydrogen fluoride boils at a lower te...

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  15. The conjugate base of HClO(4) is a weaker base than H(2)O. Explain.

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  16. The group of noble gas elements is called zero group. Why ?

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  17. Noble gas elements form compounds only with fluorine and oxygen. Expla...

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  18. Helium and neon do not form compounds with fluorine. Assign reason.

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  19. Why is neon used in illuminating warning signal. Why ?

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  20. Xenon does not form fluorides such as XeF(3) and XeF(5). Explain.

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