JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Alkaline Earth Metals

  • question_answer
    Which of the following sulphates have the highest solubility in water [EAMCET 1980,84,85; MP PMT 1994; Kurukshetra CEE 1998; AFMC 1990; MP PET 1994]

    A) \[MgS{{O}_{4}}\]

    B) \[BaS{{O}_{4}}\]

    C) \[CaS{{O}_{4}}\]

    D) \[BeS{{O}_{4}}\]

    Correct Answer: D

    Solution :

    \[BeS{{O}_{4}}\] is most soluble because hydration energy is more than lattice energy. \[\xrightarrow[Hydration\text{ }energy\text{ }decreases\text{ }hence,\text{ }solubility\text{ }decreases.]{BeS{{O}_{4}}>MgS{{O}_{4}}>CaS{{O}_{4}}>SrS{{O}_{4}}>BaS{{O}_{{}}}}\]


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