..... . . . . ..
Compare the properties of these two compounds:
n-butane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-methylpropane
0.601 . . . . . . . . . . . . . . . . relative density (liquid) . . . . . . . . . . . . . . . . 0.551
1.348 . . . . . . . . . . . . . . . . refractive index (liquid) . . . . . . . . . . . . . . . .1.351
- 0.5 . . . . . . . . . . .. . . . . . . boiling point (oC) . . . . . . . . . . . . . . . . . . .. . - 11.7
- 138.3 . . . . . . . . . . . . . . . . melting point (oC) . . . . . . . . . . . . . . . . . . . . - 159.6
It is clear that the different carbon skeletons make a difference to the properties, especially the melting and boiling points.
