Chemical Reaction Engineering MCQ Questions & Answers

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Each section contains 100 MCQs on Chemical Reaction Engineering .

In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will

A) Remain the same B) Be halved C) Also be doubled D) Become one fourth

Discuss

Answer & Solution

Answer: Option A

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

The extent of a reaction is

A) Different for reactants and products B) Dimensionless C) Depends on the stoichiometric co-efficient D) All of the above

Discuss

Answer & Solution

Answer: Option D

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

The heat of reaction

A) Depends on the pressure only B) Depends on the mechanism of reaction only C) Depends on both pressure and mechanism of reaction D) Is independent of the mechanism of reaction

Discuss

Answer & Solution

Answer: Option D

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

For a homogeneous reaction of n^th order, the dimension of the rate constant is given by

A) $$\frac{{\text{L}}}{{{{\left( {{\text{time}}} \right)}^{\text{n}}}}}$$ B) $$\frac{{{{\left( {{\text{concentration}}} \right)}^{1 - {\text{n}}}}}}{{{\text{time}}}}$$ C) $$\frac{{{{\left( {{\text{concentration}}} \right)}^{{\text{n}} - 1}}}}{{{\text{time}}}}$$ D) None of these

Discuss

Answer & Solution

Answer: Option B

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

For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single

A) CSTR of volume V B) PFR of volume V C) CSTR of volume $$\frac{{\text{V}}}{{\text{X}}}$$ D) PFR of volume $$\frac{{\text{V}}}{{\text{X}}}$$

Discuss

Answer & Solution

Answer: Option B

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

For an autocatalytic reactor, the suitable reactor set up is

A) P.F. reactors in series B) CSTR in series C) CSTR followed by P.F. reactor D) P.F. reactor followed by CSTR

Discuss

Answer & Solution

Answer: Option C

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

__________ gas is normally employed in B.E.T. method of finding out the surface area of catalyst.

A) N₂ B) H₂ C) CO₂ D) He

Discuss

Answer & Solution

Answer: Option A

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

If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is

A) 0 B) 1 C) 2 D) 3

Discuss

Answer & Solution

Answer: Option C

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

When an exothermic reversible reaction is conducted adiabatically, the rate of reaction

A) Continuously increases B) Continuously decreases C) Passes through a maximum D) Passes through a minimum

Discuss

Answer & Solution

Answer: Option C

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

For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant

A) Is independent of pressure B) Increases with pressure C) Decreases with pressure D) Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction

Discuss

Answer & Solution

Answer: Option B

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

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Chemical Reaction Engineering MCQ Questions & Answers | Chemical Engineering