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Arrange the following hydroxides based on their solubility in water:

Be(OH)2(I), Mg(OH)2(II), Ca(OH)2(III), Sr(OH)2(IV)

Option: 1

IV>III>II>I

 


Option: 2

I>II>III>IV

 


Option: 3

I>III>II>IV

 


Option: 4

IV>III>I>II


Answers (1)

best_answer

In case of hydroxides, the lattice energy decreases more rapidly than the hydration energy. So, the solubility increases as we move down the group.

 

Posted by

Gaurav

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