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UPSC Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Elements Classification and Chemical Bonding

  • question_answer
          In \[KMn{{O}_{4}}\]molecule, the oxidation states of the elements Potassium (K), Manganese (Mn) and Oxygen (O) are respectively [NDA]

    A) +1, + 5, - 2       

    B)        +1, + 7, - 2

    C) 0, 0, 0               

    D)                  +1, + 7, 0

    Correct Answer: B

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