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Chemical Reaction Engineering

Chemical Reaction Engineering
Collision theory gives the rate constant for bimolecular reaction as

K α e-E/RT
None of these
K α √T.e-E/RT
K α eE/RT

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Chemical Reaction Engineering
Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum.

Decreases
Unpredictable from the data
Increases
Remains unchanged

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Chemical Reaction Engineering
Space time in flow reactor is

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

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Chemical Reaction Engineering
A batch adiabatic reactor at an initial temperature of 373°K is being used for the reaction, A → B. Assume the heat of reaction is - 1kJ/mole at 373°K and heat capacity of both A and B to be constant and equal to 50J/mole.K. The temperature rise after a conversion of 0.5 will be

10°C
5°C
20°C
100°C

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Chemical Reaction Engineering
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Intestine
Saliva
Gland
Blood

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Chemical Reaction Engineering
In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same.

Batch
Semi-batch
Back-mix
Tubular

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