KMH 432_Chemical Kinetics and Reactors

What is the order of reaction given below?

A (s) + 2B (g) = 2C (s) +1/2D (g)

• 1

• 2

• 3

• 3.5

Catalyst/Inhibitor is a substance that ___________

• Can either increase or decrease the speed of a chemical reaction

• Alters the value of the equilibrium constant in a reversible chemical reaction

• increases the speed of a chemical reaction

• Decreases the speed of a chemical reaction

Which of the following is true for fluidized catalytic beds?

• There is no pressure drop

• They come under the category of batch reactors

• The bulk density is a function of the flow rate through the bed

• They cannot be used for multi-phase chemical reactions

If the conversion of a first-order liquid phase reaction occurring in a CSTR is 75%, molar feed rate is 5 mol/min, the rate of the reaction is 5 mol/litre.min then what is the volume of the reactor in liter?

• 0.33

• 0.4

• 0.5

• 0.75

The rate constant of a first order reaction depends on the _____________

• Temperature

• Concentration

• Time

• Pressure

The catalyst in a first-order chemical reaction changes the _______________

• Activation energy

• Equilibrium constant

• Heat of reaction

• Heat of formation of the product

Which of the following is NOT a part of reactor design?

• Method of operation (batch or continous)

• Flow rates of the reactant and product streams

• Size of the reactor

• Type of the reactor

A batch reactor is suitable for

• achieving 100 percent conversion of reactants into products

• large scale gaseous phase reactions

• small scale liquid phase reactions

• obtaining uniform polymerisation products in highly exothermic reactions

For an isothermal operation involving large reaction time in a liquid phase reaction, the most suitable reactor is ___________

• tubular flow

• stirred tank

• batch

• fluidized bed

Production of a gas phase product from a gas phase reactant using a solid catalyst is an example for ................................ reaction.

• heterogeneous

• homogeneous

• isothermal

• isobaric