Chemical Reaction Engineering

Question: With increase in temperature, the rate constant obeying Arhenious equation
[A].

increases.

[B].

decreases.

[C].

decreases exponentially.

[D].

can either increase or decrease ; depends on the frequency factor.

Answer: Option A

Explanation:

No answer description available for this question.

Question: According to Arhenious equation of temperature dependency of rate constant for an elementary reaction
[A].

k ∝ T

[B].

k ∝ e-E/RT

[C].

k ∝ T e-E/RT

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: A trickle bed reactor is the one, which
[A].

has altogether three streams either entering or leaving.

[B].

processes three reactants at different flow rates.

[C].

processes three reactants with same flow rate.

[D].

employs all the three phases (i.e.. .solid, liquid and gas).

Answer: Option D

Explanation:

No answer description available for this question.

Question: Exposure of a photographic plate to produce a latent image is an example of __________ reaction.
[A].

very slow

[B].

very fast

[C].

photochemical

[D].

both (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question.

Question: Differential method for analysing the kinetic data is used
[A].

for testing complicated mechanisms.

[B].

when the data are scattered.

[C].

when rate expressions are very simple.

[D].

none of these.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Integral method for analysing the kinetic data is used
[A].

when the data are scattered.

[B].

for testing specific mechanisms with simple rate expressions.

[C].

both (a) and (b).

[D].

none of these.

Answer: Option C

Explanation:

No answer description available for this question.

Question: Conversion increases with increase in temperature in case of a an __________ reaction.
[A].

autocatalytic

[B].

irreversible

[C].

reversible endothermic

[D].

reversible exothermic

Answer: Option C

Explanation:

No answer description available for this question.

Question: With decrease in temperature, the equilibrium conversion of a reversible endother-mic reaction
[A].

decreases

[B].

increases

[C].

remains unaffected

[D].

increases linearly with temperature

Answer: Option A

Explanation:

No answer description available for this question.

Question: With increase in temperature, the equilibrium conversion of a reversible exothermic reaction
[A].

decreases

[B].

increases

[C].

remains unaffected

[D].

decreases linearily with temperature

Answer: Option A

Explanation:

No answer description available for this question.

Question: In autocatalytic reactions,
[A].

one of the reactants acts as a catalyst.

[B].

one of the products acts as a catalyst.

[C].

catalysts have very high selectivity.

[D].

no catalyst is used.

Answer: Option B

Explanation:

No answer description available for this question.