Draw the structure of the product(s) formed on mixing propanoic acid and aniline and then the new organic product formed on heating. Be sure to show formal charges and draw the appropriate number of condensed hydrogens on oxygen and nitrogen atoms, where necessary.

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound