Solution :`underset("n-propyl alcohol")(H-underset(H)underset(|)OVERSET(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-O-H)""underset("isopropyl alcohol")(H-underset(H)underset(|)overset(H)overset(|)C-underset(OH)underset(|)overset(H)overset(|)C-underset(H)underset(|)overset(H)overset(|)C-H)` These are position isomers.