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 8 of 42

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Q71.
On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes

a.

1

b.

8

c.

4

d.

2

Discuss
Answer: (c).4
Q72.
The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol Xแด satisfies

a.

Xแด < 0.5

b.

Xแด = 0.5

c.

0.5 < Xแด < 0.64

d.

Xแด โ‰ฅ 0.64

Discuss
Answer: (d).Xแด โ‰ฅ 0.64
Q73.
Pick out the wrong statement.

a.

The effect of pressure on heat capacity of gases at pressure above one atmosphere and above the critical temperature is negligible.

b.

The value of Cแตจ of gases increases with increase in pressure, above atmospheric pressure.

c.

The value of Cแตจ at critical temperature and pressure reaches infinity.

d.

all (a), (b), and (c).

Discuss
Answer: (a).The effect of pressure on heat capacity of gases at pressure above one atmosphere and above the critical temperature is negligible.
Q74.
In case of a ternery system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the

a.

solute concentration

b.

temperature

c.

both(a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both(a) & (b)
Q75.
Applicability of Claussius-Clapeyron equation is subject to the condition that the

a.

vapor follows ideal gas law.

b.

volume in the liquid state is negligible.

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (c).both (a) & (b)
Q76.
The unit of Cแตจ in S.I. units is

a.

W/m².°K

b.

J/kg.°K

c.

W/m.°K

d.

J/m³. °K

Discuss
Answer: (b).J/kg.°K
Q77.
Dry air is a mixture of

a.

vapors

b.

gases

c.

both (a) & (b)

d.

neither (a) nor (b)

Discuss
Answer: (b).gases
Q78.
pH value of Hโ‚‚SOโ‚„ (5% concentration) is

a.

5

b.

7

c.

> 7

d.

< 7

Discuss
Answer: (d).< 7
Q79.
Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.

a.

3

b.

> 3

c.

< 3

d.

< 1

Discuss
Answer: (b).> 3
Q80.
Heat of reaction is a function of the

a.

pressure

b.

temperature

c.

both (a) & (b)

d.

neither (a) nor (b)

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