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Chemical Reaction Engineering

Chemical Reaction Engineering
In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ?

N? + O? ? 2NO
2O? ? 3O?
2SO? + O? ? 2SO?
2NO? ? N?O?

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Chemical Reaction Engineering
Which of the following is a controlling factor in very fast heterogeneous reaction?

Pressure
Heat and mass transfer effects
Temperature
Composition of reactant

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Chemical Reaction Engineering
The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is

8621°K
8764°K
8987°K
9210°K

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Chemical Reaction Engineering
The increase in the rate of reaction with temperature is due to

None of these
Increase in the average kinetic energy of the reacting molecules
Increase in the number of effective collisions
Decrease in activation energy

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

Temperature
Duration of reaction
Concentration of reactants
Pressure

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Chemical Reaction Engineering
Limiting reactant in a chemical reaction decides the

Equilibrium constant
Rate constant
Reaction speed
Conversion

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