Chemical Reaction Engineering

Question: Arhenious equation shows the variation of __________ with temperature.
[A].

reaction rate

[B].

rate constant

[C].

energy of activation

[D].

frequency factor

Answer: Option B

Explanation:

No answer description available for this question.

Question: For a zero order reaction, the concentration of product increases with the
[A].

increase of reaction time.

[B].

increase in initial concentration.

[C].

total pressure.

[D].

decrease in total pressure.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Equilibrium of a chemical reaction as viewed by kinetics is a __________ state.
[A].

dynamic steady

[B].

static steady

[C].

dynamic unsteady

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Half-life period for a first order reaction is __________ the initial concentration of the reactant.
[A].

directly proportional to

[B].

inversely proportional to

[C].

independent of

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: Half life period of a chemical reaction is
[A].

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

[B].

half of the space time of a reaction.

[C].

half of the residence time of a reaction.

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Concentration of the limiting reactant (with initial concentration of a moles/litre) after time t is (a-x). Then ‘t’ for a first order reaction is given by
[A].

[B].

[C].

[D].

Answer: Option A

Explanation:

No answer description available for this question.

Question: Inversion of cane sugar is an example of
[A].

unimolecular reaction with first order.

[B].

bimolecular reaction with second order.

[C].

bimolecular reaction with first order.

[D].

unimolecular reaction with second order.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Molecularity of a reaction
[A].

is always equal to the overall order of reaction.

[B].

may not be equal to the order of reaction.

[C].

can’t have a fractional value.

[D].

both (b) and (c).

Answer: Option D

Explanation:

No answer description available for this question.

Question: Chemical kinetics can predict the __________ of a chemical reaction.
[A].

rate

[B].

feasibility

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option A

Explanation:

No answer description available for this question.

Question: If ‘n’ is the order of reaction, then unit of rate constant is
[A].

1/(time)(concentration)n – 1

[B].

(time)-1 (concentration)n – 1

[C].

(time)n – 1 (concentration)

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.