Manipal Medical Manipal Medical Solved Paper-2007

  • question_answer
    Among the following series of transition metal ions, the one in which all metal ions have\[3{{d}^{2}}\] \[3{{d}^{2}}\]electronic configuration is (At. no.: \[Ti=22;\] \[V=23;\text{ }Cr=24;\text{ }Mn=25\])

    A)  \[T{{i}^{3+}},{{V}^{2+}},C{{r}^{3+}},M{{n}^{4+}}\]

    B)  \[T{{i}^{+}},{{V}^{4+}},C{{r}^{6+}},M{{n}^{7+}}\]

    C)  \[T{{i}^{4+}},{{V}^{3+}},C{{r}^{2+}},M{{n}^{3+}}\]

    D)  \[T{{i}^{2+}},{{V}^{3+}},C{{r}^{4+}},M{{n}^{5+}}\]

    Correct Answer: D

    Solution :

     \[T{{i}^{2+}}=1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{6}}3{{d}^{2}},4{{s}^{0}}\] \[{{V}^{3+}}=1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{6}}3{{d}^{2}},4{{s}^{0}}\] \[C{{r}^{4+}}=1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{6}}3{{d}^{2}},4{{s}^{0}}\] \[M{{n}^{5+}}=1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{6}}3{{d}^{2}},4{{s}^{0}}\]


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