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NEET Sample Paper NEET Sample Test Paper-3

  • question_answer
    Calcium carbonate dissociates in the following manner \[CaC{{O}_{3(s)}}Ca{{O}_{(s)}}+C{{O}_{2(g)}};\] \[\Delta H=110\,kJ\] in a closed vessel. The pressure of \[C{{O}_{2}}\]

    A)  increases if temperature is raised

    B)  increases on adding a catalyst

    C)  decreases if temperature is raised

    D)  increases if an inert gas is pumped keeping the temperature constant

    Correct Answer: A

    Solution :

        \[CaC{{O}_{3}}\]dissociates as in a closed vessel. \[CaC{{O}_{3}}(s)Ca{{O}_{(s)}}+C{{O}_{2(g)}};\] \[\Delta H=110\,KJ\] The reaction is endothermic and the pressure of \[C{{O}_{2}}\] increases if temperature is raised.


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