1.

Consider the following abbreviations for hydrated alkali ions X=[Li(H_(2)O)_(n)]^(+), Y=[K(H_(2)O)_(n)]^(+), Z=[Cs(H_(2)O)_(n)]^(+) Which is the correct order of size of these hydrated alkali ions

Answer»

XgtYgtZ
ZgtYgtX
X=Y=Z
ZgtXgtY

Solution :The smaller the CATION, the GREATER is the degree of HYDRATION, HENCE the degree of hydration DECREASES from `Li^(+)` to `Cs^(+)`


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