Which of the following is not correct about Freundlich adsorption isotherm?
- A$\frac{x}{m} = kp^{1/n} \quad (n > 1)$
- BExtent of adsorption of gas is more at high temperature than at low temperature
- C$\frac{1}{n}$ represents the slope of the isotherm
- D$\log \frac{x}{m} = \log k + \frac{1}{n} \log p$ holds good over a limited range of pressures
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Which one of the following statements is not correct?
Two statements are given below.
Statement-$I$: Adsorption of a gas on the surface of charcoal is primarily an exothermic reaction.
Statement-$II$: $A$ closed vessel contains $O_2, H_2, Cl_2, NH_3$ gases. Its pressure is $P \ atm$. About $1 \ g$ of charcoal is added to this vessel and after some time its pressure was found to be less than $P \ atm$.
The correct answer is:
Statement-$I$: Adsorption of a gas on the surface of charcoal is primarily an exothermic reaction.
Statement-$II$: $A$ closed vessel contains $O_2, H_2, Cl_2, NH_3$ gases. Its pressure is $P \ atm$. About $1 \ g$ of charcoal is added to this vessel and after some time its pressure was found to be less than $P \ atm$.
The correct answer is:
For Freundlich adsorption isotherm,a graph of $\log (x / m)$ vs $\log (p)$ gives a straight line. The slope of the line and its $Y$-axis intercept respectively are
Which of the following statements about physical adsorption is not correct?
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View SolutionWhat is the number of molecular layers on the adsorbent in chemical adsorption?
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