2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-34

  • question_answer
    The oxidation number of Co in the complex ion  is :

    A)  \[+2\]                                  

    B)  \[+3\]

    C)  \[+4\]                                  

    D)  \[+6\]

    Correct Answer: B

    Solution :


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