14. The structure for 3-Ethylhexane has (A) 7 carbon atoms (B) 6 carbon atoms (C) 3 carbon atoms (D) 8 carbon atoms

Chemistry: The Molecular Science
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ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
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Chapter6: Covalent Bonding
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Question 14: can you explain or draw this out and me why it is 7 carbon atoms?
(A) upper left and lower right
(B) upper right and lower left
(C) lower right and upper right
(D) lower left and upper right
14.
The structure for 3-Ethylhexane has
(A) 7 carbon atoms
(B) 6 carbon atoms
(C) 3 carbon atoms
(D) 8 carbon atoms
15. Hydrocarbons with a carbon-carbon double bond
(A)aromatics
(B) alkanes
(C) alkenes
(D)alkynes
Transcribed Image Text:(A) upper left and lower right (B) upper right and lower left (C) lower right and upper right (D) lower left and upper right 14. The structure for 3-Ethylhexane has (A) 7 carbon atoms (B) 6 carbon atoms (C) 3 carbon atoms (D) 8 carbon atoms 15. Hydrocarbons with a carbon-carbon double bond (A)aromatics (B) alkanes (C) alkenes (D)alkynes
4,5-dimethylhexane, which is the identical structure. The convention, however, is
the third carbon. Number the longest chain backwards and you would have
rganic Compounds
-YL PREFIX
methyl
HYDROCARBON NAME
ethyl
propyl
FORMULA
methane
CH
ethane
CH6
propane
butyl
CHe
CH10
butane
pentyl
CH12
pentane
hexyl
hexane
C,H14
heptyl
C,H16
heptane
octyl
octane
CaH18
CoH20
nonyl
nonane
C10H22
decane
decyl
the longest chain is numbered to indicate where the branching takes place
For example, the following compound is 3-methylhexane because it has a
methyl group branching off the third carbon of hexane:
4
longest chain
branch off 3rd carbon
Below is the structure for 2,3-dimethylhexane, which tells us that there ale
two methyl groups-one located at the second carbon and another located at
to
to always use the lowest numerals possible when naming an organic compo
Transcribed Image Text:4,5-dimethylhexane, which is the identical structure. The convention, however, is the third carbon. Number the longest chain backwards and you would have rganic Compounds -YL PREFIX methyl HYDROCARBON NAME ethyl propyl FORMULA methane CH ethane CH6 propane butyl CHe CH10 butane pentyl CH12 pentane hexyl hexane C,H14 heptyl C,H16 heptane octyl octane CaH18 CoH20 nonyl nonane C10H22 decane decyl the longest chain is numbered to indicate where the branching takes place For example, the following compound is 3-methylhexane because it has a methyl group branching off the third carbon of hexane: 4 longest chain branch off 3rd carbon Below is the structure for 2,3-dimethylhexane, which tells us that there ale two methyl groups-one located at the second carbon and another located at to to always use the lowest numerals possible when naming an organic compo
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