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| 1. |
Write all isomers of butane? |
| Answer» According to IUPAC nomenclature, these isomers are called simply butane and 2-methylpropane. Notice that isobutane has a propane parent chain with a methyl group - CH3 attached to the second carbon of the chain - that is why its IUPAC name is 2-methylpropane. | |