Question

How ionic velocity in aqueous solution depends upon the ionic radius?

Answer 1

Answer:

Hydration enthalpies of alkali metal ions decreases with the increase in ionic radii as we move down the group. Therefore, smaller is the mass of hydrated species higher is the ionic mobility in the aqueous solution. Thus, the order for ionic mobility of ions is. Rb + > K + > Na + > Li +

Explanation:

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Answer 2

Answer:

☑ The strength of the bonds between the metal ion and water molecules in the primary solvation shell increases with the electrical charge, z, on the metal ion and decreases as its ionic radius, r, increases. Aqua ions are subject to hydrolysis.