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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2001

  • question_answer
    \[C{{l}_{2}}+{{H}_{2}}SHCl+S.\]In this chemically reaction changes in oxidation number of sulphur is:

    A)  \[0\] to \[2\]                                    

    B)  \[-2\]to \[0\]

    C)  \[2\]to \[0\]                     

    D)         \[-2\] to \[-1\]

    Correct Answer: B

    Solution :

    Oxidation number of S in \[{{H}_{2}}S\] \[2+x=0,\]           \[x=-2\] Oxidation number of S is zero.


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