Chemical Reaction Engineering MCQ Questions & Answers

21

Which of the following is not a theory of homogeneous reaction?

A) Collision theory and activated complex theory B) Chain reaction theory C) Radiation hypothesis D) None of these

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

22

Rate of an autocatalytic chemical reaction is a function of

A) Temperature only B) Pressure only C) Composition only D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

23

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

A) Equilibrium constant B) Activation energy C) Final products D) Heat of reaction

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

24

Pick out the correct statement.

A) A chemical reaction accompanied by absorption of heat is called an exothermic reaction B) A chemical reaction accompanied by evolution of heat is called an endother-mic reaction C) The rate constant for a first order reaction does not change on changing the concentration units D) Chemical equilibrium state is dynamic in nature

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

25

A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes.

A) 4 B) 8 C) 12 D) 16

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

26

Design of heterogeous catalytic reactor involves consideration of __________ steps.

A) Only chemical B) Only physical C) Both A & B D) Neither A nor B

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

27

Reaction of benzene with chlorine gas to produce tri-chlorobenzene exemplifies a/an __________ reaction.

A) Elementary B) Parallel C) Consecutive D) None of these

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

28

Which of the following factors control the design of a fluid-solid reactor?

A) Reaction kinetics for single particle, B) Size distribution of solids beingtreated C) Flow patterns of solids and fluid in the reactor D) All of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

29

Pick out the wrong statement.

A) The integral method of analysing kinetic data is used when the data is scattered B) The differential method of analysing kinetic data requires more accurate or larger amounts of data C) When the reaction rate is independent of temperature, the reaction is said to be of zero order D) The ratio of volumes of plug flow reactor to that of mixed reactor is always less than one for identical feed composition, flow rate, conversion and for all positive reaction orders

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

30

For the reversible reaction A ⇋ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium?

A) 0.253 B) 0.338 C) 0.152 D) 0.637

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Chemical Reaction Engineering MCQ Questions & Answers | Chemical Engineering