KVPY Sample Paper KVPY Stream-SX Model Paper-5

  • question_answer
                            Adorption of a gas follows Freundlich adsorption isotherm. \[x\] is the mass of the gas adsorbed on mass m of the adsorbent. The plot of \[\log \frac{x}{m}\] versus log p is in the given graph. \[\frac{x}{m}\] is proportional to:

    A) \[{{p}^{3/2}}\]                                   

    B) \[{{p}^{2/3}}\]

    C)        \[{{p}^{3}}\]                          

    D) \[{{p}^{2}}\]

    Correct Answer: B

    Solution :

    \[\frac{x}{m}=K{{P}^{\text{1/n}}}\] \[\log \frac{x}{m}=\frac{1}{n}\log \rho +\log K\] Slope \[=\tan \theta =\frac{2}{3}=\frac{1}{n}\]             \[\frac{x}{m}\propto {{p}^{2/3}}.\]

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