Reactions and Rate of Reaction MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Reactions and Rate of Reaction, a fundamental topic in the field of Chemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Reactions and Rate of Reaction 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 Reactions and Rate of Reaction mcq questions that explore various aspects of Reactions and Rate of Reaction problems. Each MCQ is crafted to challenge your understanding of Reactions and Rate of Reaction principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Chemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Reactions and Rate of Reaction MCQs are your pathway to success in mastering this essential Chemistry topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Reactions and Rate of Reaction. 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 Reactions and Rate of Reaction knowledge to the test? Let's get started with our carefully curated MCQs!

Reactions and Rate of Reaction MCQs | Page 14 of 35

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Q131.
According to Le Chatellier's principle, the energy of surroundings can be increased by increasing
Discuss
Answer: (d).temperature
Q132.
The water passing through rocks of calcium carbonate (CaCO₃) produces
Discuss
Answer: (c).salts
Q133.
Le chatellier's principle states that if one or more factors disturbs the equilibrium, the position of equilibrium will shift where the change will be
Discuss
Answer: (a).reduced
Q134.
The system will not be in equilibrium when there is an increase in concentration of
Discuss
Answer: (b).products
Q135.
Catalysts speed up reactions but when equilibrium is reached it has
Discuss
Answer: (b).no effect
Q136.
In concentration of gases, the molecules are further apart due to the decrease in
Discuss
Answer: (b).pressure
Q137.
Ethanoic acid (CH₃COOH) is present in
Discuss
Answer: (c).vinegar
Q138.
As methyl group (-CH₃) is electron (e⁻) donating, ethanoic acid (CH₃COOH) is the
Discuss
Answer: (a).weakest acid
Q139.
Reactions with a mechanism involving trimolecular step are
Discuss
Answer: (b).rare
Q140.
The occurrence of three species at the same time is unlikely to be found because they will
Discuss
Answer: (a).collide