Home
Class 12
CHEMISTRY
Which of the following factors are respo...

Which of the following factors are responsible for the increase in the rate of a surface catalysed reaction ?
(I) A catalyst provides proper orientation for the reactant molecules
(II) Heat of adsorption of reactants on a catalyst helps reactant molecules to overcome activation energy
(III) The catalyst increases the activation energy of the reaction
(IV) Adsorption increases the local concentration of reactant molecules on the surface of the catalyst.
Select the correct answer using the codes given below:

A

1 and 2

B

1 and 3

C

2 and 4

D

1,2 and 4

Text Solution

Verified by Experts

The correct Answer is:
D

Properties of ionic solid
Promotional Banner

Similar Questions

Explore conceptually related problems

Which of the following factors are responsible for the increase in the rate of a surface catalysed reaction? (i) A catalyst provides proper orientation for the reactant molecules to react. (ii) heat of adsorption of reactants on a catalyst helps reactant molecules to overcome activation energy. (iii) The catalyst increases the activation energy of the reactio.

A poistive catalyst increases the activation energy of the reaction.

Assertion: A catalyst increases the rate of a reaction. Reason: In presence of a catalyst, the activation energy of the reaction decreases.

The excess of energy required for the reactant molecules to undergo a reaction is