CHEMICAL REACTION ENGINEERING QUIZ

The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction?

0.5

2

1

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An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction

Goes through a maximum along the length of the reactor

Goes through a minimum along the length of the reactor

Is maximum at the inlet of the reactor

Is maximum at the exit of the reactor

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Catalyst is a substance, which __________ chemical reaction.

Alters the value of equilibrium constant in a reversible

Increases the speed of a

Can either increase or decrease the speed of a

Decreases the speed of a

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The importance of diffusion in a catalyst are increased by

All of these

An active surface of the catalyst

Small pore diameter

Large catalyst particle size

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Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the

None of these

Activation energy

Equilibrium constant

Heat of reaction

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For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.

Both A and B

Chemical

Physical

Neither A nor B

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An imbalanced chemical reaction equation is against the law of

Multiple proportion

None of these

Constant proportion

Conservation of mass

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A plug-flow reactor is characterised by

Constant composition and temperature of reaction mixture

Presence of axial mixing

Presence of lateral mixing

High capacity

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Maximum equilibrium conversion for endothermic reaction is obtained at the __________ temperature.

Lowest possible

Highest possible

Room

Intermediate

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A balanced chemical reaction equation conforms to the law of

Conservation of mass

Gaseous volumes

Avagadro's hypothesis

None ofthese

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