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

  • question_answer
    \[{{H}_{2}}S\] acts only as a reducing agent while \[S{{O}_{2}}\]can act both as a reducing and oxidizing agent because                 [AMU 1999]

    A) \[S\]in \[{{H}_{2}}S\]has - 2 oxidation state

    B) \[S\]in \[S{{O}_{2}}\]has oxidation state + 4

    C) Hydrogen in \[{{H}_{2}}S\]more +ve than oxygen

    D) Oxygen is more - ve in \[S{{O}_{2}}\]

    Correct Answer: A

    Solution :

    In \[{{H}_{2}}S\] sulphur shows -2 oxidation state and in \[S{{O}_{2}}\] shows +4 oxidation state. Hence \[S{{O}_{2}}\] shows both oxidising and reducing properties.


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