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  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-1

  • question_answer
    Increasing value of magnetic moments of \[I:Ni{{(CO)}_{4}},\]                        \[II:{{[Ti{{({{H}_{2}}O)}_{6}}]}^{2+}}\] \[III:{{[V{{({{H}_{2}}O)}_{6}}]}^{2+}}\]    \[IV:{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\]is

    A)  I < II < III < IV                    

    B)  IV < III < II < I

    C)  II < III < I < IV    

    D)  II < I < III < IV

    Correct Answer: A

    Solution :

    Complex Unpaired electrons
    I 0
    II 2
    III 3
    IV 4
    For N unpaired electrons, magnetic moment is


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