JEE Main & Advanced Chemistry States of Matter Question Bank Real gases and Vander waal's equation

  • question_answer At high temperature and low pressure, the Vander Waal's equation is reduced to

    A)                 \[\left( p+\frac{a}{V_{m}^{2}} \right)\,({{V}_{m}})=RT\]               

    B)                 \[p{{V}_{m}}=RT\]

    C)                 \[p({{V}_{m}}-b)=RT\]  

    D)                 \[\left( p+\frac{a}{V_{m}^{2}} \right)\,({{V}_{m}}-b)=RT\]

    Correct Answer: B

    Solution :

               At high temperature and low pressure, Vander Waal?s equation is reduced to ideal gas equation.                                 PV = nRT                                                 PV = RT (For 1 mole of gas)


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