NEET Chemistry NEET PYQ-Solutions

  • question_answer
    Which one is not equal to zero for an ideal solution?                              [NEET 2015 ]

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

    B) \[\Delta {{S}_{mix}}\]

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

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

    Correct Answer: B

    Solution :

    [b] 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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