MEDIUM
JEE Main
IMPORTANT
Earn 100

Which of the following statements is/are true for heterogeneous catalysis?
(a)The energy of activation does not change.
(b)The catalyst combines with the reactant to form an intermediate compound.
(c)The reactant molecules are adsorbed on the surface of the catalyst.
(d)A catalyst lowers the energy of activation.

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Important Questions on Surface Chemistry
MEDIUM
JEE Main
IMPORTANT
What are the different thermodynamic parameters that illustrate the mechanism of adsorption?

HARD
JEE Main
IMPORTANT
Draw the following graph. Do mention the slope and intercept, if can be calculated.
vs .

MEDIUM
JEE Main
IMPORTANT
Draw the following graph. Do mention the slope and intercept, if can be calculated.
vs .

MEDIUM
JEE Main
IMPORTANT
Draw the following graph. Do mention the slope and intercept, if can be calculated.
Physisorption isobar

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JEE Main
IMPORTANT
Draw the following graph. Do mention its slope and intercept, if it can be calculated.
Chemisorption isobar.

MEDIUM
JEE Main
IMPORTANT
How is the adsorption of gas related to its critical temperature?

HARD
JEE Main
IMPORTANT
Give the expression of Freundlich isotherms. How the order varies at different pressures?

MEDIUM
JEE Main
IMPORTANT
Chemical adsorption
