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

  • question_answer
    The oxidation states of the most electronegative element in the products of the reaction of \[Ba{{O}_{2}}\]with dilute \[{{H}_{2}}S{{O}_{4}}\] are [IIT 1991; CBSE PMT 1992; BHU 2000]

    A) 0 and - 1             

    B) - 1 and  - 2

    C) - 2 and 0             

    D) - 2 and + 1

    Correct Answer: B

    Solution :

    In \[{{H}_{2}}{{O}_{2}}\] oxygen shows = - 1 (peroxide) oxidation state and in \[BaS{{O}_{4}}\] oxygen shows = - 2 oxidation state.


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