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 11 of 42

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Q101.
The temperature at which a real gas obeys Boyle's law is termed as the

a.

triple point

b.

Boyle's temperature

c.

eutectic point

d.

inversion temperature

Discuss
Answer: (b).Boyle's temperature
Q102.
Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the

a.

vapor follows the ideal gas law.

b.

molal latent heat of vaporisation is constant within the limited temperature range.

c.

volume in the liquid state is negligible compared with that in the vapor state.

d.

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

Discuss
Answer: (d).all (a), (b) & (c).
Q103.
Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.

a.

57.46

b.

-57.46

c.

114.92

d.

-28.73

Discuss
Answer: (a).57.46
Q104.
The heat evolved in the combustion of benzene is represented by the equation:

Cโ‚†Hโ‚† + 7.5 Oโ‚‚ = 6COโ‚‚ + 3Hโ‚‚O, ฮ”H = 3264.6 kJ/kg. mole

The heat energy change, when 39 gm of Cโ‚†Hโ‚† is burnt in an open container, will be __________ kJ/kgmole.

a.

+816.15

b.

+1632.3

c.

-1632.3

d.

-2448.45

Discuss
Answer: (c).-1632.3
Q105.
Pick out the wrong statement about the recycle stream in a process.

a.

Recycling in a process stream helps in utilising the valuable reactants to the maximum with minimum loss of reactants.

b.

The ratio of the quantity of a reactant present in the reactor feed of a recycling operation to the quantity of the same reactant entering the process as fresh feed is called combined feed ratio.

c.

Recycling in a process does not help in getting higher extent of reaction.

d.

Recycling is exemplified by refluxing back a part of the distillate to the distillation column to maintain the quantity of liquid within the column.

Discuss
Answer: (c).Recycling in a process does not help in getting higher extent of reaction.
Q106.
Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (a).0
Q107.
An aqueous solution of 2.45% by weight Hโ‚‚SOโ‚„ has a specific gravity of 1.011. The composition expressed in normality is

a.

0.2500

b.

0.2528

c.

0.5000

d.

0.5055

Discuss
Answer: (d).0.5055
Q108.
Which of the following ideal gas laws are not applicable to mixture of gases ?

a.

Amgat's law

b.

Dalton's law

c.

Boyle's law & Charle's Law

d.

none of these

Discuss
Answer: (c).Boyle's law & Charle's Law
Q109.
A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.

a.

equilibrium constant

b.

conversion

c.

rate constant

d.

none of these

Discuss
Answer: (b).conversion
Q110.
If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will

a.

remain unaltered

b.

increase nine fold

c.

increase three fold

d.

decrease three fold

Discuss
Answer: (b).increase nine fold
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