RAJASTHAN ­ PET Rajasthan PET Solved Paper-2006

  • question_answer
    On moving downward in Be group, the solubility of sulphates in water is :\[Be>Mg>\] \[Ca>Sr>Ba\]. It is due to

    A)  increase in melting points

    B)  decreasing lattice energy

    C)  increasing molecular weight

    D)  more solvation energy for small ions like \[B{{e}^{2+}}\].

    Correct Answer: D

    Solution :

     On moving downward in second group (Be to Ba) the hydration energy of sulphates of elements and solubility in water decreases.


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