Which of the following is/are not correct about physical adsorption

i) It is reversible

ii) It involves the formation of multilayers

iii) Heat of adsorption is usually low

iv) It is highly specific

i, ii & iii

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i, & iii

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i, ii, iii &iv

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i, ii, iii &iv

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Solution

The correct option is A
i, ii & iii

Physical adsorption is not specific

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Similar questions

Which statement is/are correct?

i) Physical adsorption is due to Van der Waal's forces

ii) Physical adsorption decreases at high temperature

iii) Physical adsorption is irreversible

iv) Enthalpy for a chemical adsorption is generally lesser than that of physical adsorption

Which statement is/are correct?

i) Physical adsorption is due to Vander Waal's forces

ii) Physical adsorption decreases at high temperature

iii) Physical adsorption is irreversible

iv) Enthalpy for a chemical adsorption is generally lesser than that of physical adsorption

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