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

  • question_answer \[K{{O}_{2}}\] (potassium superoxide) is used in oxygen cylinders in space and submarines because it [AIEEE 2002]

    A) Absorbs \[C{{O}_{2}}\]and increases \[{{O}_{2}}\] content

    B) Eliminates moisture

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

    D) Produces ozone

    Correct Answer: A

    Solution :

    \[K{{O}_{2}}\] is used in oxygen cylinder because it absorbs \[C{{O}_{2}}\] and increases \[{{O}_{2}}\] content. Super oxides reacts with water to give \[{{H}_{2}}{{O}_{2}}\]&\[{{O}_{2}}\].


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