Adsorption increases when

Which of the following characteristics is not correct for physical adsorption? (1)Adsorption increases with increase in temperature (2)Adsorption is spontaneous (3)Both enthalpy and entropy of adsorption are negative (4)Adsorption on solids is reversible

Rate of physical adsorption increases with

Assertion : Physical adsorption increases with increase in temperature. Reason : Physical adsorption is an endothermic process.

True or False : Physical adsorption increases with rise in temperature whereas chemical adsorption decreases with rise in temperature.

Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at 25^(@)C . Identify correct one (a)The adsorption requires activation at 25^(@)C (b)The adsorption is accompanied by a decrease in enthalpy (c)The adsorption increases with increases of temperature (d)The adsorption is irreversible