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Question
What are the molecular formula, the structural formula, the condensed structural formula, and the abbreviated line formula for pentane?
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Solution
The name pentane can be used for any of the three structural isomers that has the molecular formula C5H12.
In IUPAC nomenclature, however, the term pentane is used exclusively for n-pentane, the unbranched isomer of the group.
The molecular formula of pentane, or n-pentane, is C5H12
The structural formula will be CH3CH2CH2CH2CH3
The condensed structural formula will be CH3(CH2)3CH3
Take skeletal structure, also called bond - line notation, for n-pentane will be as shown in figure.
The name pentane can be used for any of the three structural isomers that has the molecular formula C5H12.
In IUPAC nomenclature, however, the term pentane is used exclusively for n-pentane, the unbranched isomer of the group.
The molecular formula of pentane, or n-pentane, is C5H12
The structural formula will be CH3CH2CH2CH2CH3
The condensed structural formula will be CH3(CH2)3CH3
Take skeletal structure, also called bond - line notation, for n-pentane will be as shown in figure.
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