What is the IUPAC name of the compound with the molecular formula C4H10 and the structure CH3CH2CH(CH3)2?
Correct: B
The compound has the structure CH3CH2CH(CH3)2, which means it is an isomer of butane with a methyl group attached to the second carbon. The correct IUPAC name is 2-Methylpropane, but it is more commonly known as isobutane.