Chemistry Quiz: Reaction Kinetics

Chemistry Quiz: Reaction Kinetics

University

10 Qs

quiz-placeholder

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Chemistry Quiz: Reaction Kinetics

Chemistry Quiz: Reaction Kinetics

Assessment

Quiz

Professional Development

University

Medium

Created by

Karnam Bharath

Used 2+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general form of a second-order rate law?

Rate = k[A]²

Rate = k[A][B]

Both a and b

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a reaction mechanism, what does the molecularity of an elementary step indicate?

The number of molecules involved in the step

The overall reaction order

The activation energy

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does increasing temperature affect the reaction rate?

Increases due to more collisions with sufficient energy

Decreases due to higher activation energy

Remains unchanged

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the activation complex in a reaction?

The intermediate stable product

A short-lived high-energy transition state

The final product

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which factor affects reaction rate according to the Arrhenius equation?

Activation energy

Atomic radius

Molecular weight

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a catalyst's role in a reaction?

Lowers activation energy

Increases reactant concentration

Changes the reaction equilibrium

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of catalyst works within biological systems?

Heterogeneous catalyst

Enzyme

Metal oxide

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