JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2012

  • question_answer
    The\[{{K}_{sp}}\]of\[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\]is

    A)  \[[C{{a}^{2+}}]{{[PO_{4}^{3-}]}^{2}}\]  

    B)  \[{{[C{{a}^{2+}}]}^{3}}[PO_{4}^{3-}]\]

    C)  \[[C{{a}^{2+}}][PO_{4}^{3-}]\] 

    D)  \[{{[C{{a}^{2+}}]}^{3}}{{[PO_{4}^{3-}]}^{2}}\]

    Correct Answer: D

    Solution :

                    \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}3C{{a}^{2+}}+2PO_{4}^{3-}\] \[{{K}_{sp}}=[C{{a}^{2+}}]{{[PO_{4}^{3-}]}^{2}}\]


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