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Standard X
Chemistry
Anionic Radius
Define hydrat...
Question
Define hydrated radius?
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Solution
Hydrated radius :
It is defined as the radius of ion and closely bound water molecules.
It is inversely related to the atomic radius of an element.
The ions with larger size and low charge hold water molecules less tightly and therefore have a smaller atomic radius.
Ions of smaller size and higher charge hold water molecules less tightly and have a smaller hydrated radius than small ions with a higher charge.
The ionic radius increases from top to bottom, whereas the hydrated radius decreases.
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