How many structural isomers can you draw for pentane?
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Answered by
1
Three structural isomers are possible for pentane.
THEY ARE :-
(i)
CH3 — CH2 — CH2 — CH2 — CH3
(ii)
CH3 — CH2 — CH — CH3
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CH3
(iii)
CH3
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CH3 — C — CH3
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CH3
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Answered by
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General Information:
=> Pentane has the molecular formula C5H12.
=> It is an alkane as it has carbon-carbon single bonds.
=> Pentane has three structural isomers.
=> Pentane has one straight chain isomer and two branched chain structural isomers.
Structural Isomers of Pentane:
1)
H H H H H
| | | | |
H-C-C-C-C-C-H
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H H H H H
IUPAC Name: Pentane
Isomer Name: n-Pentane (Straight chain isomer)
2)
H CH3 H H
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H-C——C——C—C-H
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H H H H
IUPAC Name: 2-Methylbutane
Isomer Name: iso-Pentane (Branched chain isomer)
3)
H CH3 H
| | |
H-C——C——C-H
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H CH3 H
IUPAC Name: 2,2-Dimethylpropane
Isomer Name: neo-Pentane (Most branched isomer)
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