The correct statement for the molecule CsI 3 , is :

The correct statement for the molecule

{CsI}_{3}

, is :

It is a covalent molecule.
It contains ${Cs}^{+}$ and $I_{3}^{-}$ ions.
It contains ${Cs}^{3 +}$ and $I^{-}$ ions.
It contains ${Cs}^{+} {, I}^{-}$ and lattice $I_{2}$ molecule.

Solution

I_{3}^{-}

ion is made by the addition of excess iodine to iodide solution.

I_{2} + I^{-} \to I_{3}^{-}

Cs will always be in +1 oxidation state.

Asked in: JEE Main 2014 (06 Apr)

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