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                                    What is the necessary condition for an ionic compound to be soluble in water ?A. `DeltaH_("hyd") gt Delta H_("lattice") `B. `DeltaH_("lattice") gt Delta H_("hyd") `C. `DeltaH_("hyd") gt Delta H_("lattice") `D. None of these | 
                            
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Answer» Correct Answer - B Hydration energy `gt` lattice energy. So that hydration energy minimize the electrostatic repulsion between anion and cation.  | 
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