The dispersion number of perfect mixed flow is

Half life period of decomposition of a liquid 'A' by irreversible first order reaction isminutes. The time required forconversion of 'A' is __________ minutes.

The reactions with low activation energy are

Oil is hydrogenated using nickel catalyst in a __________ reactor.

Pick out the wrong statement.

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

In case of calcination of limestone, CaCO3 CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂.

Which of the following is not endothermic in nature ?

The performance equations for constant density systems are identical for

Arhenious equation shows the variation of __________ with temperature.

When a catalyst increases the rate of chemical reaction, the rate constant

Catalyst is a substance, which __________ chemical reaction.

Pick out the correct statement.

The rate of a gas phase reaction is given by K . C_A . C_B. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times.

The rate of a homogeneous reaction is a function of

In the fluid catalytic cracker (FCC), the cracking reaction is __________ (A) and the regeneration is___(B) __________

The residence time distribution of an ideal CSTR is

With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

Reaction rate of a first order reaction, which is half completed inminutes will be

The rate of an autocatalytic reaction, , is given by -r_A = k . C_A . C_B. In this case, the

The extent of a reaction is

The catalyst in a first order chemical reaction changes the

An example of autothermal reactor operation is

With increase in initial concentration, the fractional conversion of a first order reaction in a given time

In an ideal mixed reactor (at steady state), the

A rise in temperature

Rate of a chemical reaction is not affected by the

Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.

What is the dispersion number for a CSTR?

Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction.

Pick out the correct statement.

Velocity of a chemical reaction

The space time is equivalent to the holding time in a steady state mixed reactor for

Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction.

Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor ?

Half life period of a first order irreversible reaction A B is

Half life period of a first order irreversible reaction A B is

Higher free energy of activation of a chemical reaction (at a given temperature) implies

For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of

Reactions with high activation energy are

The rate of reaction of a/an __________ reaction is not affected by temperature rise.

A space velocity of 5 hr^-1 means that

The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order.

The catalyst in a first order chemical reaction changes the

The enzyme which can catalyse the conversion of glucose to ethyl alcohol is

Integral method for analysing the kinetic data is used

Collision theory gives the rate constant for bimolecular reaction as

__________ resistance is not involved in the combustion of a carbon particle.

In an ideal P.F.R. at steady state conditions

With increase in temperature, the rate constant obeying Arhenious equation