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JEE Main & Advanced Chemistry Coordination Chemistry Question Bank Basic Terms

  • question_answer
    The primary valence of the metal ion in the co-ordination compound \[{{K}_{2}}\left[ Ni{{\left( CN \right)}_{4}} \right]\] is

    A) Four

    B) Zero

    C) Two

    D) Six

    Correct Answer: C

    Solution :

      Primary valencies are also known as oxidation state. \[{{K}_{2}}\,[\,Ni\,{{(CN)}_{4}}]\], \[2+x-4=0\Rightarrow x=+2\]


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