Respuesta :
Charge density of an ion is defined as the ratio of charge on an ion to its volume,due to smaller volume and higher charge, SO4 will have higher charge density.
Charge density of an ion is defined as the ratio of charge on an ion to its volume. The properties of ion that affects its charge density are magnitude of charge and volume of ion. Volume is governed by the size. More is the size of ion, more will be its volume. It is directly proportional to magnitude of charge and inversely proportional to volume of ion.
S and Cl belong to sixteenth and seventeenth group of periodic table in same period. On moving from S to Cl, the size decreases. So, the size of Cl is less than that of S. Similarly, the size of CIO4 is larger than that of SO4. The magnitude of charge in SO4 is same as that CIO4, but the volume, due to small size, of SO4 is smaller than that of CIO4. Hence, due to smaller volume and higher charge, SO4 will have higher charge density.
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