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AIIMS 2008
Exam
AIIMS
Year
2008
Subject
Chemistry
Chapter
Surface Chemistry

AIIMS 2008 · Chemistry · Surface Chemistry

Correct equation of Freundlich isotherm is

Correct equation of Freundlich isotherm is

Options

  1. A(\log \left(\frac{x}{m}\right)=\log k+\frac{1}{n} \log c)
  2. B(\log \left(\frac{x}{m}\right)=\log c+\frac{1}{n} \log k)
  3. C(\log \left(\frac{x}{m}\right)=\log c+\frac{1}{k} \log c)
  4. D(\log \left(\frac{x}{m}\right)=\log k+\frac{1}{k} \log c)

Correct answer

A. (\log \left(\frac{x}{m}\right)=\log k+\frac{1}{n} \log c)

Step-by-step solution

The empirical relation, viz., xm=kc1/n\frac{x}{m}=k c^{1 / n}, put forward by Freundlich is known as Freundlich's adsorption isotherm. Taking log⁡\log on both sides log⁡(xm)=log⁡k+1nlog⁡c\log \left(\frac{x}{m}\right)=\log k+\frac{1}{n} \log c
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