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AP EAMCET202119 Aug 2021Morning ShiftChemistrySurface ChemistryActual

A plot of log ( x / m ) verses log ( P ) for adsorption of a gas on a solid gives a straight line with a slope of

Options

  1. A− log ⁡ k
  2. Blog ⁡ ( 1 / n )
  3. C1 n
  4. Dantilog ⁡ ( 1 / n )

Correct answer

C. 1 n

Step-by-step solution

According to the Freundlich's Adsorption Isotherm, x m = k · p 1 / n By taking the log both sides, log x m = logk + 1 n logp Compare this equation with y = mx + c Here, m is the slope of reaction. So, from the equation log x m = logk + 1 n logp the slope is = 1 n .

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