Explore topic-wise MCQs in Engineering Chemistry.

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

The unit L mol-1 s-1 is the unit of rate constant for the reaction of the order is?

A. 0
B. 1
C. 0.5
D. 2
Answer» D. 2
2.

Order of a reaction does not give any information about the reaction mechanism.

A. True
B. False
Answer» B. False
3.

What will be the order of reaction if the rate law is given by ___________Rate = k [SO2]1 [SO3]-0.5

A. 1
B. 0.5
C. 2
D. -0.5
Answer» C. 2
4.

The unit of rate constant for the second order reaction will be ___________

A. s-1
B. L mol-1 s-1
C. Mol0.5 L-0.5 s-1
D. Mol L-1 s-1
Answer» D. Mol L-1 s-1
5.

The unit s-1 is the unit of rate constant for the reaction of the order is?

A. 1
B. 2
C. 0.5
D. 0
Answer» E.
6.

The reaction rate constant may be defined as the rate of the reaction when the concentration of each reactants is ___________

A. Zero
B. Unity
C. Doubled the initial concentration
D. Infinite
Answer» C. Doubled the initial concentration
7.

The unit of rate of reaction is ___________

A. Mol L-1 s-1
B. Mol L s-1
C. Mol L-1 s
D. Mol L s
Answer» B. Mol L s-1
8.

Reaction kinetics deals with the study of ___________

A. Rate of reaction
B. Mechanism of reaction
C. Factors which affects the rate of reaction
D. All of the mentioned
Answer» E.
9.

THE_UNIT_L_MOL-1_S-1_IS_THE_UNIT_OF_RATE_CONSTANT_FOR_THE_REACTION_OF_THE_ORDER?$

A. 0
B. 1
C. 0.5
D. 2
Answer» D. 2
10.

Order of a reaction does not give any information about the reaction mechanism?

A. True
B. False
Answer» B. False
11.

What will be the order of reaction if the rate law is given by?

A.
B. 1
C. 0.5
Answer» C. 0.5
12.

The unit of rate constant for the second order reaction will be

A. s<sup>-1</sup>
B. L mol<sup>-1</sup> s<sup>-1</sup>
C. Mol<sup>0.5</sup> L<sup>-0.5</sup> s<sup>-1</sup>
D. Mol L<sup>-1</sup> s<sup>-1</sup>
Answer» D. Mol L<sup>-1</sup> s<sup>-1</sup>
13.

The unit s-1 is the unit of rate constant for the reaction of the order

A. 1
B. 2
C. 0.5
D. 0
Answer» E.
14.

The reaction rate constant may be defined as the rate of the reaction when the concentration of each reactants is

A. Zero
B. Unity
C. Doubled the initial concentration
D. Infinite
Answer» C. Doubled the initial concentration
15.

The order of the reaction can be zero, fractional or integer and it is always experimentally determined.

A. True
B. False
Answer» B. False
16.

The unit of rate of reaction is

A. Mol L<sup>-1</sup> s<sup>-1</sup>
B. Mol L s<sup>-1</sup>
C. Mol L<sup>-1</sup> s
D. Mol L s
Answer» B. Mol L s<sup>-1</sup>
17.

The reaction rate is defined as the rate at which the concentration of the reactants __________ with time or the concentration of products ___________ with time.

A. Increase, increase
B. Decrease, decrease
C. Decrease, increase
D. Increase, decrease
Answer» D. Increase, decrease
18.

Reaction kinetics deals with the study of

A. Rate of reaction
B. Mechanism of reaction
C. Factors which affects the rate of reaction
D. All of the mentioned
Answer» E.