Manipal Engineering Manipal Engineering Solved Paper-2015

  • question_answer
    Brown ring is made for

    A) \[{{u}_{2}}\]                      

    B) \[{{u}_{1}}\]

    C) \[{{u}_{2}}\]                                      

    D) \[{{u}_{2}}\]

    Correct Answer: A

    Solution :

    Ring test for nitrate ions is \[\Delta ABC,\left| \begin{matrix}    1 & a & b  \\    1 & c & a  \\    1 & b & c  \\ \end{matrix} \right|=0,\]


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