Advertisements
Advertisements
प्रश्न
Define the term Catalysis.
उत्तर
The phenomenon of increasing the rate of a chemical reaction with the help of a catalyst is known as catalysis.
APPEARS IN
संबंधित प्रश्न
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 ____________.
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?
Write a brief note on the mechanism of enzyme catalysis.
What do you mean by activity and selectivity of catalyst?
Write a note on catalytic poison.
Explain the intermediate compound formation theory of catalysis with an example.
What is the difference between homogeneous and heterogeneous catalysis?
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?
