Structural isomerism occurs when the atoms that form a molecule have different connectivities with one another. Which of the following properties are expected to be different for 1-bromobutane and 2-bromobutane?
(a) Chemical formula, (b) Boiling point, (c) Viscosity, (d) Vapor pressure.
You can find out the physical properties of these two substances in the CRC Handbook of Chemistry and Physics.