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.

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Reactions and Rate of Reaction MCQs | Page 19 of 35

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Q181.
Consider the reaction: P(s) + O₂(g) → P₄O₁₀(s). Moles of O₂(g) needed to balance the equation will be

a.

1

b.

3

c.

5

d.

7

Discuss
Answer: (c).5
Q182.
Consider the reaction: S(s) + O₂(g) → SO₂. The state of SO₂ in this reaction is

a.

liquid

b.

solid

c.

gaseous

d.

semi solid

Discuss
Answer: (c).gaseous
Q183.
Consider the reaction: Na(s) + O₂(g) → Na₂O. Moles of oxygen needed to balance the equation are

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (a).1
Q184.
Consider the reaction: Al(s) + O₂ (g) → Al₂O₃. Moles of Al(s) needed to balance the equation are

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (d).4
Q185.
Consider the reaction: P(s) + O₂(g) → P₄O₁₀(s). Moles of P(s) needed to balance the equation are

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (d).4
Q186.
Consider the reaction: Al(s) + O₂(g) → Al₂O₃. Moles of oxygen (O₂) needed to balance the equation will be

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
Q187.
The rate of reaction is increased with the increase in

a.

concentration of reactant only

b.

temperature only

c.

pressure

d.

concentration of reactant and temperature

Discuss
Answer: (d).concentration of reactant and temperature
Q188.
A balanced chemical equation doesn't give any information about

a.

rate of reaction

b.

type of reaction

c.

reactants

d.

products

Discuss
Answer: (a).rate of reaction
Q189.
According to collision theory, the reaction speeds up when a frequency of reaction

a.

decreases

b.

increases

c.

constant

d.

equilibrium

Discuss
Answer: (b).increases
Q190.
If particles have enough energy to react and change themselves into product particles, it makes possible

a.

effective collision only

b.

successful collision only

c.

unsuccessful collision

d.

effective and successful collision

Discuss
Answer: (d).effective and successful collision
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