JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2006

  • question_answer
        Copper sulphate solution, when added to an excess of ammonium hydroxide, forms a complex compound due to

    A)  \[{{[Cu{{(N{{H}_{3}})}_{2}}]}^{2+}}\]     

    B)  \[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\]

    C)  \[{{[Cu{{(N{{H}_{3}})}_{6}}]}^{2+}}\]     

    D)  \[C{{u}^{2+}}\]

    Correct Answer: B

    Solution :

                    \[CuS{{O}_{4}}+N{{H}_{4}}OH\xrightarrow[{}]{{}}[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}}\] \[+4{{H}_{2}}O\]or        \[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\]


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