Q. Methyl propane is an isomer of: Answer:
n–butane
Notes: Isobutane, also known as i-butane, 2-methylpropane or methylpropane, is a chemical compound with molecular formula (CH3)2CHCH3 or C4H10. It is an isomer of butane. It is the simplest alkane with a tertiary carbon. Isobutane is used as a precursor molecule in the petrochemical industry, for example in the synthesis of isooctane.