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(D) According to the Freundlich adsorption isotherm,the extent of adsorption is given by $\frac{x}{m} = kP^{1/n}$.At high pressure,the surface is comp

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(D) According to the Freundlich adsorption isotherm,the extent of adsorption is given by $\frac{x}{m} = kP^{1/n}$.At high pressure,the surface is completely covered by a unimolecular layer of gas,meaning the adsorption becomes independent of pressure.This implies that the exponent $\frac{1}{n}$ becomes $0$.Therefore,the reaction follows $0$ order kinetics with respect to pressure.

At high pressure,the entire surface is covered by a unimolecular layer of gas,which follows ......... order.

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