Question

what is the iupac name for the compound shown?
© macmillan learning

Explanation:

Step1: Determine the parent chain

The parent chain has 3 carbon atoms (propan-).

Step2: Identify the functional groups

There are two hydroxyl (-OH) groups (diol).

Step3: Number the carbon atoms

Number from the end closest to the first -OH group. The -OH groups are on carbon - 1 and carbon - 2.

Answer:

1,2 - Propanediol