BVP Medical BVP Medical Solved Paper-2002

  • question_answer Oxidation number of S in \[SO_{4}^{-2}\] is:

    A)  \[+4\]                                  

    B)  \[+6\]

    C)  \[+5\]                                  

    D)  \[+8\]

    Correct Answer: B

    Solution :

                    Let oxidation number of sulphur in \[SO_{4}^{-2}\]     is x.                 \[x+4(-2)=-2\]                 \[x-8=-2,\]          \[x=+6\]

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