CHEMICAL REACTION ENGINEERING QUIZ

Either A or B; depends on the type of catalyst

Decreases

Increases

Neither A nor B

Remains same

May increase or decrease depending on the type of reaction

Increases

Decreases

Molecularity of the reaction is 2, but the reaction may not be elementary

Reaction is elementary with a molecularity of 2

Reaction is elementary but the molecularity may not be 2

Reaction may be elementary with molecularity of 2

(CA)n

(CA)1/2n

(CA)1/n

(1/2)n.CA

Half of the residence time of a reaction

Half of the space time of a reaction

None of these

The time required to reduce the concentration of the reacting substance to half its initial value

Removal of at least one of the products at regular interval

None of these

Increasing the concentration of one or more of the products

Increasing the concentration of one of the reactants

Number of molecules of reactants taking part in the reaction

Reactant's concentration

Temperature

Catalyst

Decreases with increase of reactant concentration

None of these

Increases with increase of pressure of reactants for all reactions

Decreases with increase in temperature

Catalyst size is reduced or the catalyst diffusivity is reduced

Catalyst size is increased or the catalyst diffusivity is increased

Catalyst size is reduced or the catalyst diffusivity is increased

Catalyst size is increased or the catalyst diffusivity is reduced

Decrease

Remain same

Data in insufficient; can't be predicted

Increase