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KVPY Sample Paper KVPY Stream-SX Model Paper-28

  • question_answer
    A graph between \[\log \frac{x}{m}\] and log P is a straight line at angle of \[45{}^\circ \] with the intercept on the y-axis equal to 0.3010. Under a pressure of 0.3 atmosphere, the amount of the gas adsorbed per gram of adsorbent is -

    A) 0.4

    B) 0.8  

    C) 1.2       

    D) 0.6

    Correct Answer: D

    Solution :

    \[\log \frac{x}{m}=\log k+\frac{1}{n}\log \,\,P\]
    \[y=c+mx\]
    \[\frac{x}{m}=2{{(0.3)}^{1}}=0.6\]
    This is according to Langmuir adsorption isotherm
    x = Amount of adsorbate
    m = Amount of adsorbent
    k = constant
    p = pressure


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