Alkenes and Alkynes - mskropac.weebly.com · Alkenes These are straight open chains of hydrogen and...
Transcript of Alkenes and Alkynes - mskropac.weebly.com · Alkenes These are straight open chains of hydrogen and...
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Alkenes and Alkynes
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Foldable Instructions
Cut Here
• Alkanes are characterized by a _________ carbon-carbon bond.• Alkanes are ________________ and contained no double or triple bonds. • Alkanes always end with ‘________’
1)Identify the number of carbons.
2) Use the appropriate IUPAC prefix with the ending ________.
Examples
Name:
CH3 - CH2 - CH2 - CH2 - CH2 - CH2 - CH2 - CH2 - CH3
! CH3 - CH2 - CH2 - CH2 - CH2 - CH3
1)Draw the number of ___________ identified by the IUPAC prefix. Attach them each by a __________ bond.
2) ______________ each carbon using a _______________.
Examples
Draw:
! pentane
! octane
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Foldable Instructions
Fill in the Blanks Here
• Alkanes are characterized by a _________ carbon-carbon bond.• Alkanes are ________________ and contained no double or triple bonds. • Alkanes always end with ‘________’
1)Identify the number of carbons.
2) Use the appropriate IUPAC prefix with the ending ________.
Examples
Name:
CH3 - CH2 - CH2 - CH2 - CH2 - CH2 - CH2 - CH2 - CH3
! CH3 - CH2 - CH2 - CH2 - CH2 - CH3
1)Draw the number of ___________ identified by the IUPAC prefix. Attach them each by a __________ bond.
2) ______________ each carbon using a _______________.
Examples
Draw:
! pentane
! octane
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Alkenes
These are straight open chains of hydrogen and carbon made up of at least one carbon-carbon double bonds. Alkenes are considered to be unsaturated.
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Foldable Instructions
Fill in the Blanks Here
• Alkanes are characterized by a _________ carbon-carbon bond.• Alkanes are ________________ and contained no double or triple bonds. • Alkanes always end with ‘________’
1)Identify the number of carbons.
2) Use the appropriate IUPAC prefix with the ending ________.
Examples
Name:
CH3 - CH2 - CH2 - CH2 - CH2 - CH2 - CH2 - CH2 - CH3
! CH3 - CH2 - CH2 - CH2 - CH2 - CH3
1)Draw the number of ___________ identified by the IUPAC prefix. Attach them each by a __________ bond.
2) ______________ each carbon using a _______________.
Examples
Draw:
! pentane
! octane
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Naming AlkenesIdentify the number of carbons. Use the appropriate IUPAC prefix with the ending ENE. Use a number to identify the location of the double bond directly in front of ENE separated by dashes. (ex: pent-2-ene) Name any additional side chains with the same numbering system.
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Examples
CH3 - CH2 - CH = CH - CH2 - CH2 - CH3
CH3 - CH = CH - CH - CH2 - CH3
I CH3
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Examples
CH3 - CH2 - CH = CH - CH2 - CH2 - CH3
CH3 - CH = CH - CH - CH2 - CH3
I CH3
hept-3-ene
4-methylhex-2-ene
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Foldable Instructions
Fill in the Blanks Here
• Alkanes are characterized by a _________ carbon-carbon bond.• Alkanes are ________________ and contained no double or triple bonds. • Alkanes always end with ‘________’
1)Identify the number of carbons.
2) Use the appropriate IUPAC prefix with the ending ________.
Examples
Name:
CH3 - CH2 - CH2 - CH2 - CH2 - CH2 - CH2 - CH2 - CH3
! CH3 - CH2 - CH2 - CH2 - CH2 - CH3
1)Draw the number of ___________ identified by the IUPAC prefix. Attach them each by a __________ bond.
2) ______________ each carbon using a _______________.
Examples
Draw:
! pentane
! octane
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Drawing AlkenesDraw the number of carbons identified by the IUPAC prefix. Attach them each by a single bond. Draw the double bond as identified. Add any additional side chains. Saturate each carbon using a hydrogen.
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Examplesbut-2-ene
4-ethyloct-2-ene
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Examplesbut-2-ene
4-ethyloct-2-ene
CH3 - CH = CH - CH3
CH3 I CH3 - CH = CH - CH - CH2 -CH2 - CH2 - CH3
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Alkynes
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Foldable Instructions
Fill in the Blanks Here
• These are alkanes that contain branches or _________ ___________. • __________________: Compounds with the same molecular __________
but a different ____________ formula.
1) Identify the longest continuous chain.
2)Use ANE ending.3)Name the side chains according to
number of carbons with an YL ending. Place them in alphabetical order.
4)Use di(2), tri(3), tetra(4) to identify more then one of the same type of side chain.
5) Number side chains using the lowest numbering system.
Examples
Name:
CH3 I ! ! CH3 - CH - CH - CH3 I! ! ! CH3
! CH2 - CH3 I! CH3 - CH - CH2 - CH - CH2 - CH2 - CH3! ! ! I! ! ! CH2 - CH3
1) Start by drawing the base chain using the prefix in front of ‘ane’
2) Add any side chains based on the location indicated by the number proceeding it.
3) For each side chain, draw the number of carbons identified in by the prefix in front of the YL ending.
4) Saturate each carbon with the appropriate number of hydrogens.
Examples
Draw:
! 2-methylhexane
! 3, 4 - dimethylheptane
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Branched Alkynes
These are straight open chains of hydrogen and carbon made up of at least one carbon-carbon triple bonds. Alkynes are considered to be unsaturated.
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Foldable Instructions
Fill in the Blanks Here
• These are alkanes that contain branches or _________ ___________. • __________________: Compounds with the same molecular __________
but a different ____________ formula.
1) Identify the longest continuous chain.
2)Use ANE ending.3)Name the side chains according to
number of carbons with an YL ending. Place them in alphabetical order.
4)Use di(2), tri(3), tetra(4) to identify more then one of the same type of side chain.
5) Number side chains using the lowest numbering system.
Examples
Name:
CH3 I ! ! CH3 - CH - CH - CH3 I! ! ! CH3
! CH2 - CH3 I! CH3 - CH - CH2 - CH - CH2 - CH2 - CH3! ! ! I! ! ! CH2 - CH3
1) Start by drawing the base chain using the prefix in front of ‘ane’
2) Add any side chains based on the location indicated by the number proceeding it.
3) For each side chain, draw the number of carbons identified in by the prefix in front of the YL ending.
4) Saturate each carbon with the appropriate number of hydrogens.
Examples
Draw:
! 2-methylhexane
! 3, 4 - dimethylheptane
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Naming Branched Alkynes
Identify the number of carbons. Use the appropriate IUPAC prefix with the ending YNE. Use a number to identify the location of the triple bond directly in front of YNE separated by dashes. (ex: pent-2-yne) Name any additional side chains with the same numbering system.
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Examples
CH3 - C - C - CH2 - CH3
CH3 - CH - CH - CH2 - CH2 - CH2 - C - C - CH3
I CH3
=
=
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Examples
CH3 - C - C - CH2 - CH3
CH3 - CH - CH - CH2 - CH2 - CH2 - C - C - CH3
I CH3
pent-2-ene
8-methylnon-2-ene
=
=
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Foldable Instructions
Fill in the Blanks Here
• These are alkanes that contain branches or _________ ___________. • __________________: Compounds with the same molecular __________
but a different ____________ formula.
1) Identify the longest continuous chain.
2)Use ANE ending.3)Name the side chains according to
number of carbons with an YL ending. Place them in alphabetical order.
4)Use di(2), tri(3), tetra(4) to identify more then one of the same type of side chain.
5) Number side chains using the lowest numbering system.
Examples
Name:
CH3 I ! ! CH3 - CH - CH - CH3 I! ! ! CH3
! CH2 - CH3 I! CH3 - CH - CH2 - CH - CH2 - CH2 - CH3! ! ! I! ! ! CH2 - CH3
1) Start by drawing the base chain using the prefix in front of ‘ane’
2) Add any side chains based on the location indicated by the number proceeding it.
3) For each side chain, draw the number of carbons identified in by the prefix in front of the YL ending.
4) Saturate each carbon with the appropriate number of hydrogens.
Examples
Draw:
! 2-methylhexane
! 3, 4 - dimethylheptane
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Drawing Branched Alkynes
Draw the number of carbons identified by the IUPAC prefix. Attach them each by a single bond. Draw the triple bond as identified. Add any additional side chains. Saturate each carbon using a hydrogen.
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Examples5-methylhex-2-yne
non-4-yne
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Examples5-methylhex-2-yne
non-4-yne
CH3 I CH3 - C - C - CH2 - CH - CH3=
CH3 - CH2 - CH2- C - C - CH2 - CH2 - CH2 - CH3=