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Which of the following alkaline earth me...

Which of the following alkaline earth metal ions has smallest heat of hydration ?

A

`Mg^(2+)`

B

`Ca^(2+)`

C

`Sr^(2+)`

D

`Ba^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Ba^(2+)` being largest in size, gets hydrated to least extent.
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