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Among physisorption and chemisorption, the adsorption has higher enthalpy of adsorption is _____.

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Important Questions on Surface Chemistry

MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption

Distinguish between Physical adsorption and Chemical adsorption.

EASY
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
How does chemisorption vary with temperature?
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
Write any three differences between physical adsorption and chemical adsorption.
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
10 mL of 1 mM surfactant solution forms a monolayer covering 0.24 cm2 on a polar substrate. If the polar head is approximated as a cube, what is its edge length?
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
For chemisorption, which of the following is wrong?
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption

What are the differences between physisorption and chemisorption? Give reason why a finely divided substance is more effective as an adsorbent.

MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
Give three points of difference between physisorption and chemisorption.
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
Write three features which distinguish physisoprtion from chemisorption.
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
Which statements among the following are correct?
(i) Freundlich isotherm fails at high pressure of the gas.
(ii)ΔH<0 for both physical and chemical adsorption.
(iii) Physical adsorption is non-selective.
(iv) Chemical adsorption is reversible, where as physical adsorption is irreversible.
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
Which plot is the adsorption isobar for chemisorption ?
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
Among physisorption or chemisorption which one has higher enthalpy of adsorption?
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
Which of the following graphs is correct for chemisorption?
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
Give the difference between physisorption and chemisorption.
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
For chemisorption, which is wrong?
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
Write any two features that distinguish between physisorption and chemisorption.
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
Give comparison between physical and chemical adsorption.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
What is chemisorption? Explain with an example.
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption

Which of the following options are correct?
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MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
The rate of chemisorption of a gas
HARD
Chemistry>Physical Chemistry>Surface Chemistry>Adsorption
When O2 is adsorbed on a metallic surface, electron transfer occurs from the metal to O2 . The TRUE statement(s) regarding this adsorption is(are)