NEET Sample Paper NEET Sample Test Paper-50

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

    A) Eliminates nitrogen

    B) Eliminates moisture

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

    D) Produce ozone

    Correct Answer: C

    Solution :

    \[4K{{O}_{2}}+2C{{O}_{2}}\,\,\to \,\,2{{K}_{2}}C{{O}_{3}}+3{{O}_{2}}\] \[\begin{align}   & 4K{{O}_{2}}+4C{{O}_{2}}+2{{H}_{2}}O\,\,\to \,\,4KHC{{O}_{3}}+3{{O}_{2}} \\  & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Excess \\ \end{align}\]


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