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

  • question_answer
    The formula of potassiumdicyano bis (oxalato) nickelate (II) is

    A) \[{{K}_{4}}\left[ Ni{{\left( CN \right)}_{2}}{{(Ox)}_{2}} \right]\]

    B) \[{{K}_{3}}\left[ N{{i}_{2}}[N{{i}_{2}}{{(CN)}_{2}}{{(Ox)}_{2}} \right]\]

    C) \[K\left[ Ni(CN){{(Ox)}_{2}} \right]\]

    D) \[{{K}_{2}}\left[ Ni{{(CN)}_{2}}{{(Ox)}_{2}} \right]\]

    Correct Answer: A

    Solution :

      Follow IUPAC rule.


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