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

  • question_answer
    In the chemical reaction \[C{{l}_{2}}+{{H}_{2}}S\to 2HCl+S\], the oxidation number of sulphur changes from       [MP PMT 1999]

    A) 0 to 2    

    B) 2 to 0

    C) - 2 to 0

    D) - 2  to - 1

    Correct Answer: C

    Solution :

    Oxidation state of sulphur in \[{{H}_{2}}S\] is '2, while it is zero in 'S' i.e. in this reaction oxidation of sulphur and reduction of chlorine is takes place.


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