JEE Main & Advanced Chemistry The s-Block Elements Question Bank Critical Thinking

  • question_answer The oxide, which cannot act as a reducing agent, is  [Pb. CET 2002]

    A) \[N{{O}_{2}}\]

    B) \[S{{O}_{2}}\]

    C) \[C{{O}_{2}}\]

    D) \[Cl{{O}_{2}}\]

    Correct Answer: C

    Solution :

    Reduction is accompanied by an increase in oxidation number of the reducing agent. C belong to IVA so the max-O.N. is +4. In \[C{{O}_{2}}\] the oxidation number of C is +4, which cannot be further increased. Hence, \[C{{O}_{2}}\]can not act as reducing agent.

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