Stoichiometry MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Stoichiometry, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Stoichiometry MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Stoichiometry mcq questions that explore various aspects of Stoichiometry problems. Each MCQ is crafted to challenge your understanding of Stoichiometry principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Stoichiometry MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Stoichiometry. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Stoichiometry knowledge to the test? Let's get started with our carefully curated MCQs!

Stoichiometry MCQs | Page 13 of 42

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Q121.
The heat of adsorption of a gas caused by Van der Walls forces of attraction and capillarity is equal to the heat of

a.

normal condensation.

b.

wetting.

c.

sum of (a) and (b).

d.

difference of (a) and (b).

Discuss
Answer: (c).sum of (a) and (b).
Q122.
The pressure of 'V' litres of a dry gas is increased from 1 to 2 kgf/cm² at a constant temperature. The new volume will become

a.

V/2

b.

2V

c.

V/4

d.

V²

Discuss
Answer: (a).V/2
Q123.
1 torr is equivalent to

a.

1 mm Hg

b.

1 Pascal

c.

1 ata

d.

1 mm wc

Discuss
Answer: (a).1 mm Hg
Q124.
Roult's law is obeyed by a __________ solution.

a.

saturated

b.

molar

c.

normal

d.

none of these

Discuss
Answer: (d).none of these
Q125.
At standard conditions,

Nโ‚‚ + 2Oโ‚‚ โ†” 2NOโ‚‚; ฮ”G° = 100 kJ/mole
NO + 1/2Oโ‚‚ โ†” 2NOโ‚‚; ฮ”G° = -35 kJ/mole

The standard free energy of formation of NO in kJ/mole is

a.

15

b.

30

c.

85

d.

170

Discuss
Answer: (c).85
Q126.
For a reaction, X โ†’ Y, if the concentration of 'X' is tripled; the rate becomes nine times. The order of reaction is

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (c).2
Q127.
The vapor pressure of liquids of similar chemical nature at any particular temperature __________ with increase in the molecular weight.

a.

increases

b.

decreases

c.

remains unchanged

d.

either (a) or (b); depends on the liquid

Discuss
Answer: (b).decreases
Q128.
The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight.

a.

increases

b.

decreases

c.

remains unchanged

d.

increases linearly

Discuss
Answer: (b).decreases
Q129.
Mass number of an atom is the sum of the numbers of

a.

neutrons and protons

b.

protons and electrons

c.

neutrons and electrons

d.

both(a)&(b)

Discuss
Answer: (d).both(a)&(b)
Q130.
Under conditions of equal reduced pressure and equal reduced temperature, substances are said to be in the 'corresponding states'. At equal reduced conditions i.e., at the corresponding state, the __________ of different gases are nearly the same.

a.

compressibility

b.

molecular weight

c.

humidity

d.

none of these

Discuss
Answer: (a).compressibility
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