1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard X
Chemistry
Factors Affecting the Rate of a Chemical Reaction
To increase t...
Question
To increase the rate of a chemical reaction, catalyst:
A
increase the activation energy
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
decrease activation energy
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
reacts with products
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
do not changes the activation energy
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
B
decrease activation energy
By Arrhenius Law:
k
=
A
e
−
E
A
/
R
T
Catalyst decreases the activation energy of a particular reaction to increase the rate of reaction.
Suggest Corrections
0
Similar questions
Q.
The rate at
27
o
C
of a chemical reaction increases
1000
times when a suitable catalyst is introduced. Calculate the change in the energy of activation that the catalyst has brought in.
Q.
Assertion :A positive catalyst increases the rate of a reaction. Reason: In presence of a catalyst, the activation energy of the reaction increases.
Q.
Statement 1: Catalysts decrease the rate of a chemical reaction.
Statement 2: Catalysts decrease the activation energy.
Q.
Assertion :Positive catalyst decrease the energy of activation. Reason: Negative catalyst increase the energy of activation.
Q.
Which of the following factors are responsible for the increase in the rate of a surface catalyzed reaction?
(i) A catalyst provides proper orientation for the reactant molecules to react.
(ii) The 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.
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Factors Affecting Rate of a Chemical Reaction
CHEMISTRY
Watch in App
Explore more
Factors Affecting the Rate of a Chemical Reaction
Standard X Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app