Question

Which of the plots is adsorption isobar for chemisorption?

A.

Surface Chemistry mcq option image

B.

Surface Chemistry mcq option image

C.

Surface Chemistry mcq option image

D.

Surface Chemistry mcq option image

Answer : Surface Chemistry mcq option image

Surface Chemistry mcq option image

Solution :
The extent of adsorption first increases and then decreases with increase in temperature.

Releted MCQ Question on
Physical Chemistry >> Surface Chemistry

Releted Question 1

Rate of physiorption increases with

A. decrease in temperature

B. increase in temperature

C. decrease in pressure

D. decrease in surface area

Releted Question 2

Adsorption of gases on solid surface is generally exothermic because

A. enthalpy is positive

B. entropy decreases

C. entropy increases

D. free energy increases

Releted Question 3

Lyophilic sols are

A. Irreversible sols

B. They are prepared from inorganic compound

C. Coagulated by adding electrolytes

D. Self-stabilizing

Releted Question 4

Among the following, the surfactant that will form micelles in aqueous solution at the lowest molar concentration at ambient condition is : -

A. $$C{H_3}{\left( {C{H_2}} \right)_{15}}{N^ + }{\left( {C{H_3}} \right)_3}B{r^ - }$$

B. $$C{H_3}{\left( {C{H_2}} \right)_{11}}OSO_3^ - N{a^ + }$$

C. $$C{H_3}{\left( {C{H_2}} \right)_6}CO{O^ - }N{a^ + }$$

D. $$C{H_3}{\left( {C{H_2}} \right)_{11}}{N^ + }{\left( {C{H_3}} \right)_3}B{r^ - }$$

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Surface Chemistry

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