The following graph is obtained for physisorp | vedclass

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(D) Physical adsorption (physisorption) is an exothermic process. According to Le Chatelier's principle, an increase in temperature decreases the exte

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$T_1 < T_3 < T_2$

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(D) Physical adsorption (physisorption) is an exothermic process. According to Le Chatelier's principle, an increase in temperature decreases the extent of adsorption at a constant pressure.From the given graph, at a constant pressure $p$, the extent of adsorption $\frac{x}{m}$ follows the order: $T_2 > T_3 > T_1$.Since $\frac{x}{m}$ is inversely proportional to temperature for physisorption, the temperature order must be the reverse of the adsorption extent order.Therefore, the correct order of temperatures is $T_1 < T_3 < T_2$.

The following graph is obtained for physisorption of a gas as a function of pressure at different temperatures. The correct order of the temperatures is:

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