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J & K CET Engineering J and K - CET Engineering Solved Paper-2015

  • question_answer
    A gas at high temperature is cooled. The highest temperature at which liquefaction of   gas first occurs is called                     

    A)  Boyle temperature                              

    B)  critical temperature

    C)  boiling temperature

    D)  freezing temperature

    Correct Answer: B

    Solution :

     The highest particular temperature at which a gas liquefied or above which it cannot be liquefied however high pressure may be applied on the gas is called the critical temperature \[\text{(}{{\text{T}}_{C}}\text{)}\text{.}\] \[{{T}_{C}}=\frac{8a}{27Rb}\]


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