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JEE Main & Advanced Chemistry Coordination Chemistry Question Bank Nomenclature, Oxidation state and EAN number

  • question_answer
    In the coordination compound, \[{{K}_{4}}[Ni{{(CN)}_{4}}]\] oxidation state of nickel is [AIEEE 2003]

    A) \[-1\]

    B) 0

    C) \[+1\]

    D) \[+2\]

    Correct Answer: B

    Solution :

    \[+1\times 4+x-1\times 4=0\] \[4+x-4=0\Rightarrow x=0\]for \[Ni.\]


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