Problems

DAY 1

• CH3-CH2-CH2-CH2-CH3.( Prob. 1)

• There are five Carbons and all single bonds

• Pentane.

• CH3-CH2-CH3.( Prob. 2)

• There are 3 Carbons and all single bonds

• Propane.

• CH3-CH2-CH2-CH2-CH2-CH2-CH3.( Prob. 3)

• There are 7 Carbons and all single bonds

• Heptane.

• CH4.( Prob. 4)

• There is 1 Carbon and all single bonds

• Methane.

• CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3.( Prob. 5)

• There are 10 Carbons and all single bonds

• Decane.

DAY 2

• LIST THE HYDROCARBON GROUP AND NAME THE FOLLOWING:

• CH2=CH-CH2-CH2-CH3.( Prob. 1)

• There are five Carbons and one double bond

• 1-Pentene.

• It belongs to the alkene group.

• CH3-CH2-C=CH.( Prob. 2)

• There are 4 Carbons and one triple bond.

• 1-Butyne.

• It belongs to the alkyne group.

• CH3-CH2-CH2-CH2-CH-CH3.

• |

CH3 ( Prob. 3)

• There are 6 Carbons in the main chain and one branch.

• 2-Methyl hexane.

• It belongs to the branched alkane group.

• CH2=CH2.( Prob. 4)

• There are 2 Carbons and one double bond.

• 1-Ethene.

• It belongs to the alkene group.

• CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH3. ( Prob. 5)

• There are 8 Carbons and all single bonds

• Octane.

• It belongs to the straight-chain alkane group.

DAY 3

• LIST THE HYDROCARBON GROUP AND NAME THE FOLLOWING:

• CH3-CH=CH-CH2-CH2-CH3.( Prob. 1)

• There are 6 Carbons and one double bond

• 2-Hexene.

• It belongs to the alkene group.

• CH3-CH2-C=CH.( Prob. 2)

• There are 4 Carbons and one triple bond.

• 1-Butyne.

• It belongs to the alkyne group.

• CH3-CH2-CH2-CH-CH2-CH3.

• |

CH2

CH3 ( Prob. 3)

• There are 6 Carbons in the main chain and one branch.

• 3-Ethyl hexane.

• It belongs to the branched alkane group.

• CH2=CH-CH2-CH3.( Prob. 4)

• There are 2 Carbons and one double bond.

• 1-Butene.

• It belongs to the alkene group.

• CH3-CH2-CH2-CH2-CH2-CH2-CH3.( Prob. 5)

• There are 7 Carbons and all single bonds

• Heptane.

• It belongs to the straight-chain alkane group.

DAY 4

• LIST THE HYDROCARBON GROUP AND NAME THE FOLLOWING:

• CH3-C=C-CH2-CH2-CH2-CH2-CH3.( Prob. 1)

• There are 8 Carbons and one triple bond.

• 2-Octyne.

• It belongs to the alkyne group.

• CH3-CH2-CH2-CH2-CH=CH2.(P. 2)

• There are 6 Carbons and one double bond

• 1-Hexene.

• It belongs to the alkene group.

• CH3-CH-CH2-CH2-CH-CH2-CH2-CH2-CH3.

CH3 CH2

CH3 ( Prob. 3)

• There are 9 Carbons in the main chain and two branches.

• 5-Ethyl-2-Methyl Nonane.

• It belongs to the branched alkane group.

• CH2=CH-CH3.( Prob. 4)

• There are 3 Carbons and one double bond.

• 1-propene.

• It belongs to the alkene group.

• CH3-CH-CH2-CH-CH2-CH2-CH2-CH3.

CH3 CH3 ( Prob. 5)

• There are 8 Carbons in the main chain and two branches.

• 2-Methyl-4-Methyl Octane.

• It belongs to the branched alkane group.

DAY 5

• LIST THE HYDROCARBON GROUP AND NAME THE FOLLOWING:

• CH3-CH2-CH=CH-CH2-CH2-CH3.( Prob. 1)

• There are 7 Carbons and one double bond

• 3-Heptene.

• It belongs to the alkene group.

• CH3-CH2-C=C-CH3.( Prob. 2)

• There are 5 Carbons and one triple bond.

• 2-Pentyne.

• It belongs to the alkyne group.

• CH3-CH2-CH2-CH2-CH2-CH-CH3.

CH2

CH3 ( Prob. 3)

• There are 9 Carbons in the main chain and one branch.

• 4-Methyl Nonane.

• It belongs to the branched alkane group.

• CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH3.( Prob. 4)

• There are 8 Carbons and all single bonds

• Octane.

• It belongs to the straight-chain alkane group.

• CH3-CH2-CH=CH-CH3.(Prob. 5)

• There are 5 Carbons and one double bond.

• 2-Pentene.

• It belongs to the alkene group.

DAY 6

• LIST THE HYDROCARBON GROUP AND DRAW THE CONDENSED STRUCTURAL FORMULA FOR:

• 4-Decene.( Prob. 1)

• CH3-CH2-CH2-CH=CH-CH2-CH2-CH2-CH2-CH3.( P. 1)

• There are 10 Carbons and one double bond

• It belongs to the alkene group.

• 2-Hexyne.( Prob. 2)

• CH3-C=C-CH2-CH2-CH3.

• There are 6 Carbons and one triple bond.

• It belongs to the alkyne group.

• 4-Nonene.( Prob. 3)

• CH3-CH2-CH2-CH=CH-CH2-CH2-CH2-CH3. (P.1)

• There are 10 Carbons and one double bond

• It belongs to the alkene group.

• Draw the structural formula for 2-Pentene(Prob. 4)

• H H H H H

• | | | | |

• H-C-C=C-C-C-H

• | | |

• H H H

• There are 5 Carbons and a double bond.

• It belongs to the alkene group.

• Draw the electron dot formula for Propane.(P. 5)

• H H H

• .. .. ..

• H:C: C: C:H

• .. .. ..

• H H H

• There are 3 Carbons and all single bonds.

• It belongs to the straight-chain alkanes.

DAY 7

• DRAW AND NAME 4 ISOMERS OF C9H20

• 4-Ethyl-Heptane

• CH3-CH2-CH2-CH-CH2-CH2-CH3.

• CH2

• CH3 ( Prob. 1)

• Nonane

• CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3.

•

• 3-Ethyl-Heptane

• CH3-CH2-CH-CH2-CH2-CH2-CH3.

• CH2

• CH3

• 3-Methyl-Octane

• CH3-CH2-CH-CH2-CH2-CH2-CH2-CH3.

• CH3 ( Prob. 1)

•

• 2-Methyl-Octane

• CH3-CH-CH2-CH2-CH2-CH2-CH2-CH3.

• CH3 ( Prob. 1)

• 2-Methyl-3-MethylHeptane

• CH3-CH- CH-CH2-CH2-CH2-CH3.

CH3 CH3 ( Prob. 1)

• 2-Methyl-4-MethylHeptane

• CH3-CH-CH2-CH-CH2-CH2-CH3.

CH3 CH3 ( Prob. 1)

• 4-Methyl-4-MethylHeptane

CH3

CH3-CH2-CH2-C-CH2-CH2-CH3.

CH3 ( Prob. 1)

• Draw the structural formula for 2-Methyl-Pentane(Prob. 2)

• Structural for 2-Methyl-Pentane (P. 2)

H H H H H

• | | | | |

• H-C----C-----C-C-C-H

• | | | | |

• H H-C-H H H H

• |

• H

• There are 5 Carbons in the main chain and one carbon off of the second carbon.

• It belongs to the branched alkane group.

• Draw the electron dot formula for 2-Butyne.(P. 3)

• H H

• .. ..

• H:C: C: : : C : C:H

• .. ..

• H H

•

• There are 4 Carbons and triple bond between the second and third Carbon.

• It belongs to the alkynes.

•

• Draw the condensed structural formula and list the hydrocarbon group to which they belong for:(P. 4)

• Cycloheptane

• CH2---CH2

• CH2 CH2

• CH2-CH2-CH2

• There are 7 Carbons in a “circle”.

• It belongs to the cycloalkane group.

• 3-Ethyl-Hexane

• CH3-CH2-CH2-CH-CH2-CH3.

CH2

CH3

• The main chain is six carbons long and there is a branch with 2 carbons off of the third carbon.

• This is a branched alkane

DAY 8

• DRAW AND NAME 3 ISOMERS OF C7H16

• CH3-CH2-CH2-CH2-CH2-CH2-CH3. Heptane

• CH3-CH-CH2-CH2-CH2-CH3.

CH3 2-Methyl-Hexane

• CH3-CH2-CH-CH2-CH2-CH3.

CH3 3-Methyl-Hexane

• CH3-CH- CH-CH2-CH3.

CH3 CH3

2-Methyl-3-MethylPentane

• CH3-CH- CH2-CH-CH3.

CH3 CH3

2-Methyl-4-MethylPentane

• CH3

• CH3-C- CH2-CH2-CH3.

CH3

2-Methyl-2-MethylPentane

• CH3

• CH3-CH2- C-CH2-CH3.

CH3

3-Methyl-3-MethylPentane

• Draw the structural formula for 2-Pentene(Prob. 2)

H H H

• | | |

• H-C-C=C-C-C-H

• | | | | |

• H H H H H

• There are 5 Carbons in the main chain and double bond between the 2nd and 3rd carbon.

• It belongs to the alkene group.

• Draw the electron dot formula for 2-Methyl-Propane.(P. 3)

H H: C :H H

• .. .. ..

• H:C : C : C: H

• .. .. ..

• H H H

• There are 3 Carbons in the main chain and a one Carbon branch off the second Carbon.

• It belongs to the branched alkanes.

• Draw the condensed structural formula and list the hydrocarbon group to which they belong for:(P. 4)

• A) 4-Decyne

CH3-CH2-CH2-C=C-CH2-CH2-CH2-CH2-CH3.

• There are 10 Carbons in the main chain and triple bond between the 4th and 5th Carbon.

• It belongs to the alkyne group.

• B) 3-Ethyl-2-Methyl-Heptane

• CH3- CH - CH -CH2-CH2-CH2-CH3.( 4)

• CH3 CH2

• CH3

• There are 7 Carbons in the main chain and a 2 Carbon branch off the 3rd Carbon and a 1 Carbon branch off the 2nd Carbon.

• It belongs to the branched alkane group.

DAY 9

• DRAW AND NAME 3 ISOMERS OF C6H14

• CH3-CH2-CH2-CH2-CH2-CH3. Hexane

•

• CH3-CH-CH2-CH2-CH3.

CH3 2-Methyl-Pentane

• CH3-CH2-CH-CH2-CH3.

CH3 3-Methyl-Pentane

• CH3-CH- CH-CH3.

CH3 CH3 2-Methyl-3-Methyl-Butane

CH3

• CH3-C-CH2-CH3.

CH3 2-Methyl-2-Methyl-Butane

• Draw the structural formula for 3-Heptene(Prob. 2)

H H H H H H H

| | | | | | |

• H-C-C=C-C-C-C-C-H.

| | | | |

H H H H H

• There are 7 Carbons in the main chain and one double bond.

• It belongs to the alkene group.

• Draw the electron dot formula for 3-Ethyl-Hexane.(P. 3)

H H H H H H

.. .. .. .. .. ..

• H:C: C: C :C: C: C:H

.. .. .. .. .. ..

H H H:C:H H H H

H:C:H

• There are 5 Carbons in the main chain and one branch.

• It belongs to the alkene group.

• Draw the condensed structural formula and list the hydrocarbon group to which they belong for:(P. 4)

• 3-Octene

• CH3-CH2-CH=CH-CH2-CH2-CH2-CH3.

• There are 8 Carbons and one double bond.

• It belongs to the alkene group.

• 2-Methyl-2-Methyl-Butane

DAY 10

• DRAW AND NAME 3 ISOMERS OF C10H22

• CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH3.

• Decane

• CH3-CH-CH2-CH2-CH2-CH2-CH2-CH2-CH3.

CH3 2-Methyl-Nonane

CH3-CH-CH- CH2- CH2 -CH2 -CH3.

CH2 CH3

3-Methyl-4-Methyl-Octane

CH3

• CH3-CH2-CH-CH2-CH2-CH2-CH2-CH2-CH3.

• CH3 3-Methyl-Nonane

• CH3-CH-CH-CH2-CH2-CH2-CH2-CH3.

• CH3 CH3 2-Methyl-3-Methyl-Octane

• Draw the structural formula for 1-Propene(Prob. 2)

H H

| |

• H-C-C=C-H.

| |

H H

• There are 3 Carbons in the main chain double bond.

• It belongs to the alkene group.

• Draw the electron dot formula for 2-Hexyne.(P. 3)

H H H H

.. .. .. ..

• H:C: C: : : C :C: C: C:H

.. .. .. ..

H H H H

• There are 6 Carbons in the main chain and one triple bond.

• It belongs to the alkyne group.

• Draw the condensed structural formula and list the hydrocarbon group to which they belong for:(P. 4)

• 1-Butyne

• It belongs to the alkyne group.

• CH=C-CH2-CH3.

• 2-Methyl-Pentane

• It belongs to the branched alkane group.

• CH3-CH-CH2-CH2-CH3.

• CH3

DAY 11

Draw the condensed structural formula and name the hydrocarbon group for:

• 3 Ethyl Heptane.( Problem 1)

• CH3-CH2-CH-CH2-CH2-CH2 - CH3.( Pb.1)

CH2

CH3

• It belongs to the branched alkane group.

• 4-Decene. (Problem 2)

• CH3-CH2-CH2-CH=CH-CH2 -CH2 -CH2 -CH2 - CH3.( Pb.2)

• It belongs to the alkene group.

• 2-pentyne.( Problem 3)

• CH3-C=C-CH2-CH3.( Prob. 3)

• There is C=C in the end of the C chain.

• It belongs to the Alkyne group.

• Cyclopentane.( Problem 4)

• CH2 – CH2 –CH2

• | |

• CH2 –---- CH2.

• It belongs to the cycloalkane group.

• Ethane.( Problem 5)

• CH3-CH3.( Pb.1)

• It belongs to the straight chain alkane group.

• Draw two isomers for C5H12

• CH3-CH2-CH2-CH2-CH3. Pentane

•

• CH3-CH-CH2-CH3.

CH3 2-Methyl-Butane

CH3

• CH3--C--CH3.

CH3 2-Methyl-2-Methyl-Propane

DAY 12

Draw the condensed structural formula and name the hydrocarbon group for:

• 4 Propyl Octane.( Problem 1)

• CH3-CH2-CH2-CH-CH2-CH2 -CH2 -CH3

• CH2

CH2

CH3

• It belongs to the branched alkane group.

• 1-Heptene. (Problem 2)

• CH2=CH-CH2-CH2 -CH2 -CH2 - CH3.( Pb.2)

• It belongs to the alkene group.

• 2-Butyne.( Problem 3)

• CH3-C=C-CH3.( Prob. 1)

• There is C=C in the end of the C chain.

• It belongs to the Alkyne group.

• Cyclononane.( Problem 4)

• CH2 – CH2 – CH2 -CH2

• | |

• CH2 CH2

• | |

• CH2 – CH2 –-----CH2

• It belongs to the cycloalkane group.

• Propane.( Problem 5)

• CH3-CH2-CH3.( Pb.1)

• It belongs to the straight chain alkane group.

• Draw two isomers for C7H16

• CH3-CH2-CH2-CH2-CH2-CH2-CH3. Heptane

• CH3-CH-CH2-CH2-CH2-CH3.

CH3 2-Methyl-Hexane

• CH3-CH2-CH-CH2-CH2-CH3.

CH3 3-Methyl-Hexane

• CH3-CH- CH-CH2-CH3.

CH3 CH3

2-Methyl-3-MethylPentane

• CH3-CH- CH2-CH-CH3.

CH3 CH3

2-Methyl-4-MethylPentane

• CH3

• CH3-C- CH2-CH2-CH3.

CH3

2-Methyl-2-MethylPentane

• CH3

• CH3-CH2- C-CH2-CH3.

CH3

3-Methyl-3-MethylPentane

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