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JEE Main & Advanced Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank Topic Test - Thermodynamics and Thermochemistry (8-5-21)

  • question_answer
    The enthalpy of vapourization of a liquid is \[30\,kJ\,mo{{l}^{-1}}\] and entropy of vapourization is \[75\,J\,mo{{l}^{-1}}K\]. The boiling point of the liquid at 1 atm is  

    A) 250K0

    B) 400K

    C) 450K

    D) 600K

    Correct Answer: B

    Solution :

    [b] \[dS=\frac{d{{Q}_{rev.}}}{T}\];  \[T=\frac{30\times {{10}^{3}}}{75}\];  \[T=400K\]


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