JCECE Medical JCECE Medical Solved Paper-2004

  • question_answer
    Potassium, on burning in oxygen atmosphere, gives:

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

    B) \[{{K}_{2}}{{O}_{3}}\]

    C)  \[K{{O}_{2}}\]

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

    Correct Answer: C

    Solution :

     \[K+{{O}_{2}}\xrightarrow{{}}\underset{\begin{smallmatrix}  \text{potassium} \\  \text{superoxide} \end{smallmatrix}}{\mathop{K{{O}_{2}}}}\,\]


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