Answer
Propanoic acid can be obtained by oxidation of propan-1-ol by using any strong oxidizing agents.
Work Step by Step
The NMR spectrum details are as follows;
a: 0.94 ppm; $CH_{3}$ protons; triplet
b: 1.59 ppm; $CH_{2}$ protons; sextet (multiplet)
c: 3.59 ppm; $CH_{2}$ protons; triplet
d: 4.7 ppm; OH proton; singlet
