JEE Main & Advanced Chemistry Redox Reactions / रेडॉक्स अभिक्रियाएँ Question Bank Critical Thinking

  • question_answer
    The oxidation number of sulphur in \[{{S}_{8}},\,{{S}_{2}}{{F}_{2}},\,{{H}_{2}}S\] respectively, are            [IIT 1999]

    A) 0, +1 and - 2      

    B) + 2, +1 and - 2

    C) 0, + 1 and + 2     

    D) - 2, + 1 and - 2

    Correct Answer: A

    Solution :

    \[\overset{*}{\mathop{{{S}_{8}}}}\,=0\]            \[\overset{*\,}{\mathop{{{S}_{2}}}}\,{{F}_{2}}=+1\]                                 \[{{H}_{2}}\overset{*}{\mathop{S}}\,=-2\].


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