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Question
In addition to some propane and ethane, LPG cylinders contain mainly two isomers of another alkane. Name the two isomers and write their condensed structural formulae.
Solution
n-butane and iso-butane are the two isomers of butane found in LPG cylinders.
The condensed structural formulas of n-butane and iso-butane are as follows:
n-butane : CH3CH2CH2CH3
iso-butane : CH3CHCH3
╵
CH3
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