CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Catalysis

The substance...

Question

The substance that _________ the activity of catalysts is called promoter.
1. Increases
2. Decreases
3. Maintains
4. None of the above

Open in App

Solution

Promoters/Activators : Substance which themselves are not catalyst but its presence can increase the catalytic activity of catalyst. A promoters increase the number of active sites on the surface.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Assertion: Catalysts are substances which increases the amount of product formed in a reaction.
Reason: Catalysts reduce the activation energy of a reaction.

Q. The substance that __________ the activity of catalysts is poisoner.
1. increases
2. decreases
3. maintains
4. none

Q. Which of the following is/are true regarding a catalyst?
(a) It is a substance which increases the rate of reaction.
(b) It is a substance which reduces the activation energy.
(c) It is a substance which is consumed in the reaction.

Q. Assertion :A catalyst accelerates a chemical reaction. Reason: A catalyst decreases the activation energy for a chemical reaction.

Q. A substance which alters (i.e. increases or decreases) the rate of the reaction without taking part in the reaction is called

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

What is Catalysis

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon