Uttarakhand PMT Uttarakhand PMT Solved Paper-2011

  • question_answer
    The oxidation number and covalency of sulphur in sulphur molecule\[({{S}_{8}})\]are

    A)  0 and 2         

    B)  +6 and 8

    C)  0 and 8         

    D)  +6 and 2

    Correct Answer: A

    Solution :

     In elemental state, the oxidation number of an element is zero. Hence, oxidation number of S in\[{{S}_{8}}\]is zero. In\[{{S}_{8}}\]molecule each sulphur is connected to two sulphur atoms, hence its covalencyis 2.


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