Chemistry, asked by afreen888, 1 month ago

Why hydration enthalpy of lithium is highest?

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Answered by sayantanipal290
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Answer:

Lithium exerts the greatest polarizing effect out of all the alkali metals on the negative ion. Being smallest in alkali metals, it's ion Li+ is smaller, this increases the charge density for this job appreciably. Consequently, its hydration energy becomes large.

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