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Which one of the following alkaline earth metal sulphate has its hydration enthalpy greater than its lattice enthalpy ?

Option: 1

\mathrm{CaSo_4}


Option: 2

\mathrm{BeSo_4}


Option: 3

\mathrm{BaSo_4}


Option: 4

\mathrm{SrSO_4}


Answers (1)

best_answer

In the question of finding hydration energy only check the size of atom. smaller sized atom has more hydration energy. Thus is this question \mathrm{Be} is placed uppers most in the group has lesser size and not comparable with the size of sulphates.
Hence, \mathrm{BeSo_4} is the right response.

Hence Option 2 is correct.

Posted by

Suraj Bhandari

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