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प्रश्न
What are enzymes?
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उत्तर
Enzymes are complex protein molecules with three-dimensional structures. They catalyse the chemical reaction in a living organism. They are often present in a colloidal state and extremely specific in catalytic action.
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संबंधित प्रश्न
Define the term Inhibition.
Mixture of iodine and sodium sulphate is separated by ____________.
The H+ ion in the hydrolysis of sucrose acts as ____________.
Which one of the following is an example for homogeneous catalysis?
Write a brief note on the mechanism of enzyme catalysis.
What do you mean by selectivity of catalyst?
Write a note on catalytic poison.
Describe the adsorption theory of catalysis.
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:
In preparation of sulphuric acid from sulphur dioxide in lead chamber process. What substance is used as a catalyst?
