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Which one of the following reactions is an example of auto-catalysis?
Which one of the following reactions is an example of auto-catalysis?
Updated On: Aug 15, 2024
- $ 2As{{H}_{3}}(s)\xrightarrow{{}}2As(s)+3{{H}_{2}}(g) $
- $ {{N}_{2}}(g)+3{{H}_{2}}(g)\xrightarrow{Fe(s)}2N{{H}_{3}}(g) $
- $ 2S{{O}_{2}}(g){{O}_{2}}(g)\xrightarrow{NO(g)}2S{{O}_{3}}(g) $
- $ {{C}_{12}}{{H}_{22}}{{O}_{11}}(l)+{{H}_{2}}O(l)\xrightarrow{{{H}^{+}}(l)} $ $ {{C}_{6}}{{H}_{12}}{{O}_{6}}(l)+{{C}_{6}}{{H}_{12}}{{O}_{6}}(l) $
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The Correct Option is A
Solution and Explanation
The reactions which are catalysed by one of the product formed, are called autocatalysis reactions and the process is called autocatalysis eg, $ 2As{{H}_{3}}(g)\xrightarrow{{}}2As(g)+3{{H}_{2}}(g) $
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Concepts Used:
Catalysis
All reactants need to overcome certain energy, better known as activation energy in order to form products. This activation energy is the difference between the energy of the transition state and the reactant species.
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- Heterogeneous Catalysis: Heterogeneous catalysis of chemical reactions is a process where the reactants involved in the reaction and the catalyst are in different phases. For example reaction of hydrogen and nitrogen in the presence of finely divided iron to form ammonia.
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