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Mary Eats Peanut Butter

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Page 1: Mary Eats Peanut Butter
Page 2: Mary Eats Peanut Butter

Learning Objectives•To be able to name hydrocarbons by looking at its structural formula

•To be able to identify the structural formula for hydrocarbons

Page 3: Mary Eats Peanut Butter

Yes No Maybe

I know the definition of a hydrocarbon

I can name of the first 8 alkanes and alkenes

I can use the rules to identify the names of hydrocarbons

I can draw unbranched and branched hydrocarbons when given their names

I can solve the puzzle: Mary Eats Peanut Butter

Page 4: Mary Eats Peanut Butter

Number of carbons

NameNumber of carbons

stem

1 methane 5

2 6 hexane

3 7

4 butane 8 octane

EXTENSIONDraw the structural formula for the above alkanes

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Number of carbons

NameNumber of carbons

stem

1 methane 5 pentane

2 ethane 6 hexane

3 propane 7 heptane

4 butane 8 octane

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Firstly, we have names for simple unbranched chains.

Secondly, we have names for simple alkyl groups that may be attached to the

chains.

Group CH3– C2H5– CH3CH2CH2– CH3CH2CH2C

H2–

Name Methyl Ethyl Propyl Butyl

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1. Find and name the longest continuous carbon chain.

2. Identify and name groups attached to this chain.

3. Number the chain consecutively, starting at the end nearest a substituent group.

4. Designate the location of each substituent group by an appropriate number and name.

5. Assemble the name, listing groups in alphabetical order. The prefixes di, tri, tetra etc., used to designate several groups of the same kind, are not considered when alphabetizing

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Which can be drawn as:

 a)     

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FIND AND NAME THE LONGEST CONTINUOUS CARBON CHAIN.

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This is an ethyl group

C2H5–

Ethyl

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12

34

6

5

7

8

87

65

3

4

2

1

NUMBER THE CHAIN CONSECUTIVELY, STARTING AT THE END NEAREST A SUBSTITUENT GROUP.

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Thus, the proper nomenclature of this alkane is:

4-ethyloctane

87

65

3

4

2

1

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What is this?

And the structural formula is?

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Group 1 – Card sort

Group 2 – Multiple choice questions

Extensionhttp://bestchoice.net.nz/#(I will log you in)

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Yes No Maybe

I know the definition of a hydrocarbon

I can name of the first 8 alkanes and alkenes

I can use the rules to identify the names of hydrocarbons

I can draw unbranched and branched hydrocarbons when given their names

I can solve the puzzle: Mary Eats Peanut Butter

Page 20: Mary Eats Peanut Butter