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KVPY Sample Paper KVPY Stream-SX Model Paper-31

  • question_answer
    \[COC{{l}_{2}}\] gas dissociates according to the equation, \[COC{{l}_{2}}(g)\,\,\,\,CO(g)+C{{l}_{2}}(g).\] When heated to 700 K the density of the gas mixture at 1.16 atm and at equilibrium is 1.16 g/litre. The degree of dissociation of \[C{{O}_{2}}\] at 700 K is -

    A) 0.28

    B) 0.50 

    C) 0.72     

    D) 0.42

    Correct Answer: C

    Solution :

    \[{{M}_{0}}=\frac{dRT}{P}=57.47\]
    \[\alpha =\frac{99-57.47}{57.47}=0.72\]


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