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Half Life of First Order Reactions

A visually appealing infographic illustrating first order reactions, half-life, and reaction kinetics, with charts and scientific symbols in a chemical laboratory setting.

Half Life of First Order Reactions Quiz

Test your knowledge on first order reactions and their half-life properties with this engaging quiz! This quiz contains multiple-choice questions that will challenge your understanding of reaction orders, rate constants, and half-life behavior in chemical reactions.

12 thought-provoking questions
Suitable for chemistry enthusiasts and students
Improve your grasp of reaction kinetics

12 Questions3 MinutesCreated by AnalyzingAtom42

Name the order of reaction.

Zeroth order of reaction

First order of reaction

Second order of reaction

Not an order of reaction

Name the order of reaction.

Zeroth order of reaction

First order of reaction

Second order of reaction

Not an order of reaction

Name the order of reaction.

Zeroth order of reaction

First order of reaction

Second order of reaction

Not an order of reaction

Name the order of reaction.

Zeroth order of reaction

First order of reaction

Second order of reaction

Not an order of reaction

If you selected "Not an order of reaction" in the questions above, give a reason for your choice..

As time increases, concentration cannot progress in a straight line.

As time increases, concentration of reactants cannot increase.

As time increases, concentration of reactants must reach zero.

All graphs above represent an order of reaction.

In a rate equation, what is the value "k"

1/ reaction rate

The rate of reaction

The rate constant

The rate derivative

What is the rate equation of this graph?

Rate = k/[A]²

Rate = k/[A][A]

Rate = k

Rate = k/[A]

What is the rate equation of this graph?

Rate = k/[A]²

Rate = k/[A][A]

Rate = k

Rate = k/[A]

What is the rate equation of this graph?

Rate = k/[A]²

Rate = k/[A][A]

Rate = k

Rate = k/[A]

What is the correct rule for "k" in a reaction?

The greater the value of "k", the faster a reaction will go

The greater the value of "k", the slower a reaction will go.

"k" has no effect on the reaction rate as it is constant.

"k" is variable and therefore has no effect on the reaction rate.

In which order of reaction is the rate not dependant on concentration?

None

Zeroth order

First order

Second order

In a first order reaction, what happens to the half-life (t½) as the reaction progresses?

The half-life doubles.

The half-life halves.

The half-life remains constant.

The half-life is exponential.

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