English

Define the term Catalysis. - Chemistry

Advertisements
Advertisements

Question

Define the term Catalysis.

Definition
Advertisements

Solution

The phenomenon of increasing the rate of a chemical reaction with the help of a catalyst is known as catalysis.

shaalaa.com
  Is there an error in this question or solution?
Chapter 11: Adsorption and Colloids - Exercises [Page 173]

APPEARS IN

Balbharati Chemistry [English] Standard 11 Maharashtra State Board
Chapter 11 Adsorption and Colloids
Exercises | Q 3. (A)(c) | Page 173

RELATED QUESTIONS

Define the term Inhibition.


Mixture of iodine and sodium sulphate is separated by ____________.


In the reaction, \[\ce{H2O2_{(aq)} ->[I^-_{( aq)}] H2O_{(l)} + \frac{1}{2} O2_{(g)}}\] iodide ion acts as ____________.


171 g of sucrose on hydrolysis gives ____________ mole(s) of glucose.

(Atomic wt: C = 12, H = 1, O = 16)


Which of the following is the INCORRECT match?


The H+ ion in the hydrolysis of sucrose acts as ____________.


Which one of the following is an example for homogeneous catalysis?


Match the following.

Column I Column II
A) V2O5 (i) High density polyethylene
B) Ziegler – Natta (ii) PAN
C) Peroxide (iii) NH3
D) Finely divided – Fe (iv) H2SO4

Match the following.

Column I Column II
A) Pure nitrogen (i) Chlorine
B) Haber process (ii) Sulphuric acid
C) Contact process (iii) Ammonia
D) Deacons Process (iv) sodium azide (or) Barium azide

Which of the following is the correct option?


What are enzymes?


What do you mean by selectivity of catalyst?


Explain the intermediate compound formation theory of catalysis with an example.


Describe the adsorption theory of catalysis.


Zeigler-Natta Catalyst is ______.


Match List - I with List - II.

  List - I   List - II
  (Processes/Reactions)   (Catalyst)
(A) \[\ce{2SO2(g) + O2(g) -> 2SO3(g)}\] (I) Fe(s)
(B) \[\ce{4NH3 (g) + 5O2(g) -> 4NO(g) + 6H2O (g)}\] (II) Pt (s) - Rh (s)
(C) \[\ce{N2(g) + 3H2(g) -> 2NH3(g)}\] (III) V2O5
(D) \[\ce{Vegetable oil (l) + H2 -> Vegetable ghee (s)}\] (IV) Ni (s)

Choose the correct answer from the options given below:


Match the catalysts to the correct processes:

  Catalysts   Process
(A) TiCl4 (i) Wacker process
(B) PdCl2 (ii) Ziegler-Natta polymerization
(C) CuCl2 (iii) Contact process
(D) V2O5 (iv) Deacon’s process

In preparation of sulphuric acid from sulphur dioxide in lead chamber process. What substance is used as a catalyst?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×