Assertion : Physical adsorption on the surface of sadsorbent equires appreciable activation energy Reason : Because bonds of the adsorbate molecules a

Question

Assertion : Physical adsorption on the surface of sadsorbent equires appreciable activation energy Reason : Because bonds of the adsorbate molecules a

Assertion : Physical adsorption on the surface of sadsorbent equires appreciable activation energy
Reason : Because bonds of the adsorbate molecules are to break.
A. If both assertion and reason are correct and reason is correct explanation for assertion.
B. If both assertion and reason are correct but reason is not correct explanation for assertion.
C. If assertion is correct but reason is incorrect.
D. If assertion and reason both are incorrect.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

The enzyme catalysed reaction is faster than metal catalysed reaction because its activation energy is

2 Answers 5 Views

The activation energy for the reaction, `2Hi(g) to H_(2)(g) + I_(2)(g)` is 209.5 kJ `moli^(-1)` at 581 K. Calculate the fraction of molecules of react

2 Answers 7 Views

Which of the following statements are correct with respect to adsorption of gases on a solid ? (i) The ectent of adsorption is equal to `KP^(n)` accor

2 Answers 4 Views

Assertion : Physical adsorption is reversible. Reason : Chemical adsorption is alos reversible.

2 Answers 6 Views

Assertion (A) All collision of reactant molecules lead to product formation. Reason (R) Only those collisions in which molecules have correct orientat

2 Answers 4 Views

Assertion: Molecules that are not superimposable on their mirror images are chiral. Reason: All chiral molecules hae chiral centres.

2 Answers 4 Views

The energy of activation for a reaction is `100 KJ mol^(-1)`. The peresence of a catalyst lowers the energy of activation by `75%`. What will be the e

2 Answers 8 Views

The activation energy of exothermic reaction `ArarrB` is 80 kJ `"mol"^(-1)` . The heat of reaction is `200 kJ "mol"^(-1)`. The activation energy for t

2 Answers 5 Views

What percentage of reactant molecules will crossover the energe barrier t 325 K? Heat of reaction is `0.12` kcal and activation energy of backward rea

2 Answers 4 Views

A reaction takes place in three steps with individual rate constant and activation energy, `{:(,"Rate constant","Activation energy"),("Step 1",k_(1),E

2 Answers 5 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Correct assertion. Physical adsorption on the surface of adsorbent requires negligible appreciable activation energy
Correct reason. No breaking of bonds in the molecules of adsorbate is involved.

4 views Answered 2023-02-05 15:29