CHEMICAL REACTION ENGINEERING QUIZ

The unit of frequency factor in Arhenious equation is

Same as that of rate constant

Dimensionless

None of these

Same as that of activation energy

TRUE ANSWER : ?
YOUR ANSWER : ?

When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.

Can be either greater or smaller than (depends on the type of reaction)

Is greater than

Is smaller than

Equals

TRUE ANSWER : ?
YOUR ANSWER : ?

For an autocatalytic reactor, the suitable reactor set up is

CSTR followed by P.F. reactor

CSTR in series

P.F. reactor followed by CSTR

P.F. reactors in series

TRUE ANSWER : ?
YOUR ANSWER : ?

Molecularity of a reaction

Is always equal to the overall order of reaction

Can

May not be equal to the order of reaction

Both B and C

TRUE ANSWER : ?
YOUR ANSWER : ?

The role of a catalyst in a chemical reaction is to change the

Activation energy

Final products

Equilibrium constant

Heat of reaction

TRUE ANSWER : ?
YOUR ANSWER : ?

For an ideal plug flow reactor, the value of Peclet number is

1

10

∞

0

TRUE ANSWER : ?
YOUR ANSWER : ?

A space velocity of 5 hr⁻¹ means that

After every 5 hours, reactor is being filled with the feed

Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour

A fixed conversion of a given batch of feed takes 5 hours

Cent per cent conversion can be achieved in at least 5 hours

TRUE ANSWER : ?
YOUR ANSWER : ?

Arhenious equation shows the variation of __________ with temperature.

Frequency factor

Rate constant

Energy of activation

Reaction rate

TRUE ANSWER : ?
YOUR ANSWER : ?

Thermodynamic equilibrium constant in a system is affected by

Pressure

Temperature

All of these

Inerts

TRUE ANSWER : ?
YOUR ANSWER : ?

B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm.

Freundlich

None of these

Tempkin

Langmuir

TRUE ANSWER : ?
YOUR ANSWER : ?