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JEE Main & Advanced Chemistry Redox Reactions / रेडॉक्स अभिक्रियाएँ Question Bank Oxidation number and Oxidation state

  • question_answer
    Oxidation number of nickel in \[Ni{{(CO)}_{4}}\] [AIIMS 1984; MNR 1985; CPMT 1997; MP PET/PMT 1998; AMU 2000; 01]

    A) 0             

    B) + 4

    C) - 4         

    D) + 2

    Correct Answer: A

    Solution :

    If any central metal atom combined with corbonyl group than central metal atom shows always zero oxidation state.


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