JEE Main & Advanced AIEEE Solved Paper-2011

  • question_answer
    The magnetic moment (spin only) of \[{{[NiC{{l}_{4}}]}^{2-}}\] is   AIEEE  Solved  Paper-2011

    A) \[1.41\] BM                           

    B) \[1.82\] BM

    C) \[5.46\] BM                           

    D) \[2.82\] BM

    Correct Answer: D

    Solution :

                 Hybridisation of Ni is \[s{{p}^{3}}\] Unpaired e? in \[3{{d}^{8}}\] is 2 So \[\mu =\sqrt{n(n+2)}BM\] \[=\sqrt{2\times 4}=\sqrt{8}=2.82BM\]


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