JEE Main & Advanced Sample Paper JEE Main - Mock Test - 35

  • question_answer
    Which one of the following ionic species will impart colour to an aqueous solution?

    A) \[T{{i}^{+4}}\]          

    B)        \[C{{u}^{+}}\]   

    C) \[Z{{n}^{+2}}\]         

    D)        \[C{{r}^{+3}}\]

    Correct Answer: D

    Solution :

    [d] \[T{{i}^{+4}}=[Ar]4{{s}^{0}}3{{d}^{0}}(0\,unpaired\,\,{{e}^{-}})\] \[C{{u}^{+}}=\left[ Ar \right]4{{s}^{0}}3{{d}^{10}}\left( 0\text{ }unpaired\text{ }{{e}^{-}} \right)\] \[Z{{n}^{+2}}=[Ar]4{{s}^{0}}3{{d}^{10}}(0\,unpaired\,{{e}^{-}})\] \[C{{r}^{+3}}=\left[ Ar \right]4{{s}^{0}}3{{d}^{3}}\left( 3\text{ }unpaired\text{ }{{e}^{-}} \right)\]


You need to login to perform this action.
You will be redirected in 3 sec spinner