Catalysis

IMPORTANT

Catalysis: Overview

This topic covers concepts, such as Catalysis, Catalysts, Types of Catalysts on the Basis of Their Physical State, Homogeneous Catalysis, Gaseous Phase Homogeneous Catalysis, Lock-Key Theory, Induced Fit Theory, etc.

Important Questions on Catalysis

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The following reaction can be accelerated in the presence of_____component 2KClO32KCl+3O2

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The conversion of maltose into glucose takes place in presence of _____ enzyme.

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The conversion of sugar cane into glucose and fructose takes place in presence of invertase enzyme.

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Write a chemical reaction for the conversion of sugar cane by invertase enzyme.

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Which is true for a catalyst?

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Give an example of enzyme catalysis reaction.

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Which of the following will decrease the rate of reaction?

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Which of the following is an example of homogeneous catalysis:

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Explain Induced-fit theory.

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According to the induced fit model, both enzyme and substrate undergo dynamic conformational changes upon binding.

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According to the induced fit model, both enzyme and substrate undergo dynamic conformational changes upon binding to _____  (increase/decrease) the rate of reaction.

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According to the induced fit model, both enzyme and substrate undergo dynamic conformational changes upon binding to increase the rate of reaction.

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According to the induced fit model, both enzyme and substrate undergo dynamic conformational changes upon binding to decrease the rate of reaction.

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Comment on the amount of a catalyst used during a chemical reaction.

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A large amount of catalyst is required to increase the rate of reaction between large amounts of reactants.

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Decomposition of hydrogen peroxide takes place in presence of _____ catalyst.

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Discuss the types of catalysis on the basis of their activity.

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A catalyst is used in small amount and during reaction it does not get consumed. Comment.

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Select the option that best suits the following sentence:

'A chemical reaction that induces another reaction in which the product acts as a catalyst for any other chemical reaction not typically occurring under normal conditions.'

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Match the following?

Material Application
(a) Silicones (i) As a catalyst
(ii) Greases
(b) Zeolites (iii) In surgical implants
(iv) As ion exchangers