NEET NEET SOLVED PAPER 2015 (C)

  • question_answer
    Which one is not equal to zero for an ideal solution?                                                                      

    A)  \[\Delta {{H}_{mix}}\]                  

    B)  \[\Delta {{S}_{mix}}\]   

    C)                         \[\Delta {{V}_{mix}}\]                  

    D)  \[\Delta P={{P}_{observed}}-\,{{P}_{Raoult}}\]           

    Correct Answer: B

    Solution :

    For an ideal solution                              (i) There will no change in volume on mixing the two components i.e. \[\Delta {{V}_{mixing}}=0\] (ii) There will no change in volume on \[\Delta {{H}_{mixing}}=0\]so, \[\Delta {{S}_{mix}}\ne 0\] an ideal solution.                                 


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