BRANCHED ALKANE

Some Students:

Students will be able to:

-Explore applications of
alkanes.

Learning Intention: -Identify the importance of alkanes in our daily lives.
-Name branched alkane by the IUPAC system.

Essential Question: How does knowledge of alkanes help us better understand the
world around us?

Most Students:

Students will be able to:

-Name the complex branched

alkanes and cycloalkanes.

All Students:

Students will be able to:

-Name the simple branched
alkanes.

Success Criteria

Essential Vocabulary: Alkane, Homologous series and Parent chain,

Lesson 2: Alkanes

Module 20: Hydrocarbons

Chemistry II

Teacher: Richa Tiwari

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Some Students:

Students will be able to:

-Explore applications of
alkanes.

Learning Intention: -Identify the importance of alkanes in our daily lives.
-Name branched alkane by the IUPAC system.

Essential Question: How does knowledge of alkanes help us better understand the
world around us?

Most Students:

Students will be able to:

-Name the complex branched

alkanes and cycloalkanes.

All Students:

Students will be able to:

-Name the simple branched
alkanes.

Success Criteria

Essential Vocabulary: Alkane, Homologous series and Parent chain,

Hook/Engage

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Identify the
correct chain

Multiple Choice

Which one is correct chain?

• A

• B

Some Students:

Students will be able to:

-Explore applications of
alkanes.

Learning Intention: -Identify the importance of alkanes in our daily lives.
-Name branched alkane by the IUPAC system.

Essential Question: How does knowledge of alkanes help us better understand the
world around us?

Most Students:

Students will be able to:

-Name the complex branched

alkanes and cycloalkanes.

All Students:

Students will be able to:

-Name the simple branched
alkanes.

Success Criteria

Essential Vocabulary: Alkane, Homologous series and Parent chain,

Guided Practice

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used the chart to
answer the
questions.

NAMING BRANCHED-CHAIN ALKANES

Some Students:

Students will be able to:

-Explore applications of
alkanes.

Learning Intention: -Identify the importance of alkanes in our daily lives.
-Name branched alkane by the IUPAC system.

Essential Question: How does knowledge of alkanes help us better understand the
world around us?

Most Students:

Students will be able to:

-Name the complex branched

alkanes and cycloalkanes.

All Students:

Students will be able to:

-Name the simple branched
alkanes.

Success Criteria

Essential Vocabulary: Alkane, Homologous series and Parent chain,

Guided Practice

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Naming branched-chain alkanes:
Step 1. Count the number of carbon atoms in the longest continuous chain.
Step 2. Number each carbon in the parent chain.
Step 3. Name each alkyl group substituent.
Step 4. If the same alkyl group occurs more than once as a branch on the
parent structure, use a prefix (di-, tri-, tetra-, and so on) before its name to
indicate how many times it appears.
Step 5. When different alkyl groups are attached to the same parent
structure, place their names in alphabetical order.
Step 6. Write the entire name, using hyphens to separate numbers from
words and commas to separate numbers.

Multiple Choice

• propane

• butane

• pentane

Multiple Choice

What is the correct name for the following compound?

• 3,4-dimethylheptane

• 4-methyl-5-ethylhexane

• 3-methyl-4-propylpentane

• 4,5-dimethylheptane

Multiple Choice

• 4-ethyl-6-methyl nonane

• 3-propyl-5-methyl octane

• 2,4-dipropyl hexane

• 4-ethyl-2-propyl heptane

Some Students:

Students will be able to:

-Explore applications of
alkanes.

Learning Intention: -Identify the importance of alkanes in our daily lives.
-Name branched alkane by the IUPAC system.

Essential Question: How does knowledge of alkanes help us better understand the
world around us?

Most Students:

Students will be able to:

-Name the complex branched

alkanes and cycloalkanes.

All Students:

Students will be able to:

-Name the simple branched
alkanes.

Success Criteria

Essential Vocabulary: Alkane, Homologous series and Parent chain,

Check for Understanding

Please complete
the quizizz lesson.

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Multiple Choice

• 2,3-dimethyl-4,4-diethyl heptane

• 2,3-methyl-4,4-ethyl heptane

• 4,4-ethyl-2,3-methyl heptane

• 4,4-diethyl-2,3-dimethyl heptane

Multiple Choice

Which is the structures with IUPAC nomenclature

2,2,4-trimethylpentane

Multiple Choice

Give the IUPAC name for this compound

• 3-methyl-4-ethylhexane

• 3-ethyl-4-methylhexane

• 3-methyl-4-ethylheptane

• 3-ethyl-4-methylheptane

Some Students:

Students will be able to:

-Explore applications of
alkanes.

Learning Intention: -Identify the importance of alkanes in our daily lives.
-Name branched alkane by the IUPAC system.

Essential Question: How does knowledge of alkanes help us better understand the
world around us?

Most Students:

Students will be able to:

-Name the complex branched

alkanes and cycloalkanes.

All Students:

Students will be able to:

-Name the simple branched
alkanes.

Success Criteria

Essential Vocabulary: Alkane, Homologous series and Parent chain,

Independent Practice I

Blue: 1-2

Red: 2-4
Yellow: 4-6
Green: 6-8

Some Students:

Students will be able to:

-Explore applications of
alkanes.

Learning Intention: -Identify the importance of alkanes in our daily lives.
-Name branched alkane by the IUPAC system.

Essential Question: How does knowledge of alkanes help us better understand the
world around us?

Most Students:

Students will be able to:

-Name the complex branched

alkanes and cycloalkanes.

All Students:

Students will be able to:

-Name the simple branched
alkanes.

Success Criteria

Essential Vocabulary: Alkane, Homologous series and Parent chain,

Independent Practice II

Let’s

Research

and

Innovate

Blue: "You are a scientist conducting research on the environmental impact of
alkane spills in a marine ecosystem. Describe the potential consequences of an
alkane spill, including the effects on water quality, marine life, and the overall
ecosystem."

Red: "You work for a company that manufactures plastic products using
alkane-based materials. A customer has raised concerns about the
sustainability of these materials. How would you address these concerns and
discuss the potential environmental impacts and benefits of using alkane-based
materials in plastics manufacturing?"

Yellow: "You are a researcher studying the impacts of alkane emissions from a
major transportation hub on local air quality and public health. Analyze the
potential health risks associated with alkane emissions, including the effects
on air quality, human respiratory health, and potential mitigation strategies to
reduce these impacts."

Green: "As a policy maker, you are evaluating the use of alkane-based biofuels
as an alternative to fossil fuels. Discuss the environmental, economic, and
social considerations involved in promoting the use of alkane-based biofuels,
including their potential benefits and drawbacks compared to conventional
fossil fuels."

Some Students:

Students will be able to:

-Explore applications of
alkanes.

Learning Intention: -Identify the importance of alkanes in our daily lives.
-Name branched alkane by the IUPAC system.

Essential Question: How does knowledge of alkanes help us better understand the
world around us?

Most Students:

Students will be able to:

-Name the complex branched

alkanes and cycloalkanes.

All Students:

Students will be able to:

-Name the simple branched
alkanes.

Success Criteria

Essential Vocabulary: Alkane, Homologous series and Parent chain,

Closure/Summary

Exit Ticket

Reflection

How does the knowledge of alkanes help
us to better understand the world around
us?

_____________________________________
_____________________________________
_____________________________________
_____________________________________
_____________________________________
_____________________________________

Things I learned:
________________________________________
______________________________________

Things I did Well:
________________________________________
______________________________________

Things I can Improve:
________________________________________
______________________________________

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Some Students:

Students will be able to:

-Explore applications of
alkanes.

Learning Intention: -Identify the importance of alkanes in our daily lives.
-Name branched alkane by the IUPAC system.

Essential Question: How does knowledge of alkanes help us better understand the
world around us?

Most Students:

Students will be able to:

-Name the complex branched

alkanes and cycloalkanes.

All Students:

Students will be able to:

-Name the simple branched
alkanes.

Success Criteria

Essential Vocabulary: Alkane, Homologous series and Parent chain,

Resources & References

• Lesson ppt

• Teacher Recorded Video

• Study Guide

• Do Now and Exit Ticket

• Task for all Groups

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Some Students:

Students will be able to:

-Explore applications of
alkanes.

Learning Intention: -Identify the importance of alkanes in our daily lives.
-Name branched alkane by the IUPAC system.

Essential Question: How does knowledge of alkanes help us better understand the
world around us?

Most Students:

Students will be able to:

-Name the complex branched

alkanes and cycloalkanes.

All Students:

Students will be able to:

-Name the simple branched
alkanes.

Success Criteria

Essential Vocabulary: Alkane, Homologous series and Parent chain,

Resources & References

Thank you

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