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Freundlich adsorption isotherm is given by the expression x/m=kp1/n which of the following conclusions can be drawn from this expression.

(i) When 1/n = 0, the adsorption is independent of pressure. 

(ii) When 1/n = 0, the adsorption is directly proportional to pressure. 

(iii) When n = 0, x/m vs p graph is a line parallel to x-axis.

(iv) When n = 0, plot of x/m vs p is a curve.

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(i), (iii)

(i) When 1/n = 0, the adsorption is independent of pressure. 

(iii) When n = 0, x/m vs p graph is a line parallel to x-axis.

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