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Chemical Reaction Engineering

Chemical Reaction Engineering
The rate constant of a chemical reaction decreases by decreasing the

Pressure
Temperature
Concentration of reactants
Duration of reaction

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Chemical Reaction Engineering
Which of the following will give maximum gas conversion?

Fixed bed reactor
Plug-flow catalytic reactor
Fluidised bed reactor
Semi-fluidised bed reactor

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Chemical Reaction Engineering
A catalyst in a chemical reaction

Increases the frequency of collisions of reacting species
All of these
Alters the reaction mechanism
Decreases the activation energy

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Chemical Reaction Engineering
When a catalyst increases the rate of forward reaction, the value of rate constant

Remain same
Decreases
Becomes infinite
Increases

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Chemical Reaction Engineering
Space time in flow reactor is

The reciprocal of the space velocity
Both A and B
Usually equal to the residence time
A measure of its capacity

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Chemical Reaction Engineering
The catalyst in a first order chemical reaction changes the

Equilibrium constant
Heat of reaction
Activation energy
Heat of formation of the product

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