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 40 of 42

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Q391.
1 BTU/lb.โ†°F is equivalent to __________ kcal/kg.°C.

a.

1

b.

2.42

c.

1.987

d.

4.97

Discuss
Answer: (a).1
Q392.
The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation

a.

increases with pressure rise.

b.

decreases with increasing pressure.

c.

becomes zero at the critical point.

d.

both (b) & (c).

Discuss
Answer: (d).both (b) & (c).
Q393.
For a neutral solution (pH = 7), the value of[Hโบ] [OHโป] is equal to

a.

0

b.

1

c.

< 1

d.

> 1

Discuss
Answer: (b).1
Q394.
Which of the following gravity scales is used exclusively for liquids heavier than water ?

a.

Baumme scale

b.

Twaddel scale

c.

API scale

d.

none of these

Discuss
Answer: (b).Twaddel scale
Q395.
For any system, the __________ heat of solution is dependent on the temperature and the adsorbate concentration.

a.

integral

b.

differential

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both (a) & (b)
Q396.
Osmotic pressure of the solution can be increased by

a.

decreasing its temperature.

b.

increasing the volume of the vessel containing the solution.

c.

diluting the solution.

d.

none of these.

Discuss
Answer: (d).none of these.
Q397.
Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because

a.

the strong base and strong acid reacts completely.

b.

the salt formed does not hydrolyse.

c.

only OHโป and Hโบ ions react in every case.

d.

the strong base and strong acid reacts in aqueous solution.

Discuss
Answer: (c).only OHโป and Hโบ ions react in every case.
Q398.
1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is

a.

Cโ‚„Hโ‚‰OH

b.

Cโ‚ƒHโ‚‚โ‚OH

c.

(Cโ‚‚Hโ‚„)โ‚‚Hโ‚‚.OH

d.

Cโ‚‚Hโ‚ƒโ‚ƒOH

Discuss
Answer: (a).Cโ‚„Hโ‚‰OH
Q399.
A solution with reasonably permanent pH is called a/an __________ solution.

a.

ideal

b.

non-ideal

c.

buffer

d.

colloidal

Discuss
Answer: (c).buffer
Q400.
The value of Trouton's ratio (ฮปb/Tb) for a number of substances is 21 (where, ฮปb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kis-tyakowsky equation is used for calculation of Trouton's ratio of __________ liquids.

a.

polar

b.

non-polar

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both (a) & (b)
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