(1) Propan stands for 3 carbon atoms in a chain. Number the carbon atom in a chain as 1, 2, 3.
![](https://www.sarthaks.com/?qa=blob&qa_blobid=6988245687261610482)
(2) ‘-ol’ stands for (-OH) hydroxyl group. The number assigned for the hydroxyl group is 2. Show the -OH group at C2.
![](https://www.sarthaks.com/?qa=blob&qa_blobid=2297271581508263901)
(3) Now satisfy the valencies of each carbon atom
![](https://www.sarthaks.com/?qa=blob&qa_blobid=4880744136944585787)